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Subject: Re: two ECM98 questions

Author: Dann Corbit

Date: 17:59:29 11/03/03

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On November 03, 2003 at 18:03:21, martin fierz wrote:

>i'm using ECM98 for testing purposes, and i found two positions with alternate
>solutions (i think):
>
>ECM.018 bm Nxd6
>
>[D]r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN3/BP1BPN1P/2Q2PP1/R2R2K1 w - - 0 1
>
>intended solution: 1.Nxd6 Bxd6 2.Bxd6 Qxd6 3.dxe5 +-
>alternate solution: 1.Bxd6 Bxd6 2.Nxd6 transposes

All the choices for white made, then analyzed from black's point of view:

r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN3/1P1BPN1P/1BQ2PP1/R2R2K1 b - - acd 12; acn
26248015; acs 62; ce -67; pv Nxe4 Bxe4 exd4 Nxd4 Bd7 Rac1 Qc8 Bc3 b6 Bd3 Re5 Nf3
Rh5 Be4;
r3rbk1/1pq2ppp/2ppbnn1/p3p3/PBPPN3/1P1BPN1P/2Q2PP1/R2R2K1 b - - acd 13; acn
26184389; acs 60; ce 359; pv Nxe4 Bxa5 Rxa5 Bxe4 f5 Bxf5 Bxf5 Qxf5 e4 Qg4 exf3
b4 Ra6 Qxf3;
r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN3/1P1BPN1P/2Q2PP1/R1BR2K1 b - - acd 12; acn
27721501; acs 61; ce -53; pv Nxe4 Bxe4 exd4 Nxd4 Bc8 Bb2 Qe7 Bd3 Qg5 Nf5 Nh4
Nxh4 Qxh4 Bf5 Bxf5 Qxf5;
r3rbk1/1pq2ppp/2ppbnn1/p1B1p3/P1PPN3/1P1BPN1P/2Q2PP1/R2R2K1 b - - acd 13; acn
28064285; acs 60; ce 323; pv Nxe4 Bxe4 dxc5 dxe5 Rad8 g4 b6 Bxg6 hxg6 Rxd8 Rxd8
Rd1 Rxd1+ Qxd1 Be7 Kg2;
r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN3/BP2PN1P/2Q1BPP1/R2R2K1 b - - acd 12; acn
29665685; acs 60; ce 1; pv Nxe4 Qxe4 d5 Qc2 Bxa3 Rxa3 Rad8 Raa1 f6 Rac1 Qe7 dxe5
fxe5 cxd5 Bxd5;
r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN3/BP2PN1P/2Q2PP1/R2R1BK1 b - - acd 13; acn
30102866; acs 61; ce 9; pv Nxe4 Qxe4 d5 Qc2 Bxa3 Rxa3 Rad8 Raa1 f6 cxd5 Bxd5 Bc4
exd4 Bxd5+ Rxd5 Nxd4;
r3rbk1/1pq2ppp/2pBbnn1/p3p3/P1PPN3/1P1BPN1P/2Q2PP1/R2R2K1 b - - acd 14; acn
33413099; acs 60; ce -118; pv Bxd6 Nxd6 Qxd6 dxe5 Qe7 exf6 Qxf6 Nd4 Rad8 Rac1
Qe5 c5 Rd5 Qc4;
r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN3/BP1BPN1P/2Q2PP1/R2R1K2 b - - acd 11; acn
27705268; acs 60; ce -48; pv Nxe4 Bxe4 Be7 Kg1 Bd7 Bxg6 fxg6 c5 exd4 cxd6 Bxd6
Bxd6 Qxd6 Nxd4;
r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN3/BP1BPN1P/2Q2PP1/R2R3K b - - acd 12; acn
27703668; acs 60; ce -48; pv Nxe4 Bxe4 Be7 Kg1 Bd7 Bxg6 fxg6 c5 exd4 cxd6 Bxd6
Bxd6;
r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN3/BP1BPN1P/2Q2PPK/R2R4 b - - acd 12; acn
30493877; acs 61; ce 23; pv Nxe4 Bxe4 exd4 Bxg6 fxg6 Nxd4 Bc8 Kg1 Qf7 Qe2 c5 Nb5
Ra6;
r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PP4/BPNBPN1P/2Q2PP1/R2R2K1 b - - acd 10; acn
26703181; acs 60; ce -48; pv Rad8 Rd2 Bd7 Rad1 b6 Ne4 Nxe4 Bxe4 Be7 dxe5 dxe5
Bxe7 Rxe7;
r3rbk1/1pq2ppp/2ppbnn1/p1N1p3/P1PP4/BP1BPN1P/2Q2PP1/R2R2K1 b - - acd 14; acn
29553715; acs 60; ce 317; pv dxc5 Bxg6 hxg6 dxe5 Nh7 Bb2 Be7 e4 Ng5 Nxg5 Bxg5
Rd6 Rad8 Rad1 Qe7;
r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN3/BP1BP2P/2Q2PP1/R2RN1K1 b - - acd 12; acn
28004252; acs 60; ce -28; pv Nxe4 Bxe4 exd4 Rxd4 Be7 Rd2 Rac8 Bb2 Rf8 Nf3 f5 Nd4
fxe4 Nxe6;
r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PP4/BP1BPN1P/2QN1PP1/R2R2K1 b - - acd 11; acn
27062222; acs 61; ce -48; pv Rac8 Bb2 exd4 Bxd4 Be7 Ng5 Bd7 Bf5 c5 Bc3 Ng4;
r3rbk1/1pq2ppp/2ppbnn1/p3p1N1/P1PP4/BP1BPN1P/2Q2PP1/R2R2K1 b - - acd 12; acn
22631131; acs 61; ce -81; pv Bd7 dxe5 dxe5 c5 Rad8 Bb2 Bc8 Bc4 Nd5 Rac1 f6 Ne4;
r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN3/BP1BP2P/2QN1PP1/R2R2K1 b - - acd 12; acn
27726807; acs 60; ce -9; pv Nxe4 Bxe4 exd4 exd4 Rac8 Re1 Qd8 Bb2 Qg5 Nf3 Qf4 Qd2
f5 Qxf4 Nxf4;
r3rbk1/1pq2ppp/2ppbnn1/p3p1N1/P1PPN3/BP1BP2P/2Q2PP1/R2R2K1 b - - acd 12; acn
26520989; acs 61; ce -85; pv Nxe4 Nxe6 Rxe6 Bxe4 exd4 Bf5 dxe3 Bxe6 exf2+ Qxf2
fxe6 Rf1 Re8 Bb2;
r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PP4/BP1BPNNP/2Q2PP1/R2R2K1 b - - acd 11; acn
27051322; acs 60; ce -51; pv exd4 Nxd4 Bd7 Ne4 Be7 Ra2 Rad8 Nf5 Bxf5 Nxf6+ Bxf6
Bxf5 Qe7 Qe2;
r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN3/BP1BP2P/2Q2PPN/R2R2K1 b - - acd 12; acn
24383464; acs 61; ce -30; pv Nxe4 Bxe4 exd4 Rxd4 Be7 Rad1 Rad8 R4d2 Rf8 Bf5 d5
Bxe7 Qxe7 Ng4 dxc4 Rxd8 Rxd8 Rxd8+ Qxd8 Bxe6 fxe6 Qxc4;
r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN2N/BP1BP2P/2Q2PP1/R2R2K1 b - - acd 13; acn
27900437; acs 60; ce 215; pv Nxh4 Nxf6+ gxf6 Bxh7+ Kg7 Be4 f5 d5 fxe4 Qxe4 cxd5
cxd5 Bxh3 gxh3 Be7 Rac1;
r3rbk1/1pq2ppp/2pNbnn1/p3p3/P1PP4/BP1BPN1P/2Q2PP1/R2R2K1 b - - acd 14; acn
32231888; acs 61; ce -127; pv Bxd6 Bxd6 Qxd6 dxe5 Qe7 exf6 Qxf6 Nd4 Rad8 Nxe6;
r3rbk1/1pq2ppp/2ppbnn1/p3N3/P1PPN3/BP1BP2P/2Q2PP1/R2R2K1 b - - acd 13; acn
30493926; acs 61; ce 184; pv dxe5 Nxf6+ gxf6 Bxf8 Kxf8 d5 cxd5 cxd5 Qxc2 Bxc2
Bd7 d6 Rac8 Be4 Rc3 b4 b6 bxa5 bxa5;
r3rbk1/1pq2ppp/2ppbNn1/p3p3/P1PP4/BP1BPN1P/2Q2PP1/R2R2K1 b - - acd 12; acn
26804085; acs 60; ce -83; pv gxf6 h4 Bg4 Bf5 Bxf5 Qxf5 Qc8 Qxc8 Raxc8 h5 Nh8
dxe5 dxe5;
r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN3/BP1BPN1P/Q4PP1/R2R2K1 b - - acd 13; acn
28900987; acs 61; ce 15; pv Nxe4 Bxe4 f5 Bc2 e4 d5 Bd7 Nd4 Be7 Qb2 cxd5 cxd5
Rac8 Rac1;
r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN3/BP1BPN1P/5PP1/RQ1R2K1 b - - acd 11; acn
26187098; acs 61; ce -44; pv Nxe4 Bxe4 exd4 Nxd4 Bc8 Bf5 Re5 Qc2 c5 Nb5 Qc6 Bxc8
Rxc8;
r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN3/BP1BPN1P/1Q3PP1/R2R2K1 b - - acd 12; acn
27317031; acs 60; ce 2; pv Nxe4 Bxe4 f5 Bc2 e4 d5 Bd7 Nd4 Be7 dxc6 bxc6 Qc3 c5
Nb5;
r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN3/BP1BPN1P/5PP1/R1QR2K1 b - - acd 12; acn
28881677; acs 61; ce -2; pv Nxe4 Bxe4 f5 Bc2 e4 d5 cxd5 cxd5 Bd7 Nd4 Rac8 Ra2
Re5 Nb5;
r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN3/BPQBPN1P/5PP1/R2R2K1 b - - acd 13; acn
29503186; acs 60; ce 11; pv Nxe4 Bxe4 f5 Bc2 e4 Nd2 Rad8 Rac1 Be7 c5 dxc5 Bxc5
b6 Bxe7 Rxe7;
r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN3/BP1BPN1P/3Q1PP1/R2R2K1 b - - acd 12; acn
27396617; acs 61; ce -21; pv Nxe4 Bxe4 f5 Bc2 e4 d5 cxd5 cxd5 Bd7 Nd4 Rac8 Rac1
Be7;
r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN3/BP1BPN1P/4QPP1/R2R2K1 b - - acd 12; acn
29524215; acs 60; ce -6; pv Nxe4 Bxe4 exd4 Rxd4 f5 Bc2 Be7 Rdd1 d5 cxd5 cxd5 Bb2
Rac8 Rac1;
r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN3/BP1BPN1P/R1Q2PP1/3R2K1 b - - acd 11; acn
27082800; acs 60; ce -55; pv Nxe4 Bxe4 Be7 d5 cxd5 cxd5 Qxc2 Rxc2 f5 dxe6 fxe4
Nd2 d5 Bxe7 Rxe7;
r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN3/BP1BPN1P/2Q2PP1/1R1R2K1 b - - acd 12; acn
21074696; acs 64; ce -53; pv Nxe4 Bxe4 d5 cxd5 Bxd5 Bxf8 Bxe4 Qxe4 Rxf8 dxe5
Rfe8 Rbc1 Nxe5;
r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN3/BP1BPN1P/2Q2PP1/2RR2K1 b - - acd 11; acn
24169807; acs 60; ce -62; pv Nxe4 Bxe4 exd4 Nxd4 Bd7 Bb2 Qc8 Bc3 b6 Qd3 Ra7 Bf5
Be7;
r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN3/BP1BPN1P/2QR1PP1/R5K1 b - - acd 12; acn
27101983; acs 61; ce -58; pv Nxe4 Bxe4 exd4 Nxd4 Bd7 Bb2 Re5 Nf5 Re6 Rad1 Rae8
Bf3 h6;
r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN3/BP1BPN1P/2Q2PP1/RR4K1 b - - acd 11; acn
26791544; acs 60; ce -41; pv Nxe4 Bxe4 exd4 Nxd4 Bc8 Rd1 Qe7 Bd3 c5 Nb5 Ra6 Bb2
Be6;
r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN3/BP1BPN1P/2Q2PP1/R1R3K1 b - - acd 11; acn
27380180; acs 61; ce -46; pv Be7 Neg5 Bd7 Bb2 exd4 Nxd4 Nh5 Ngf3 Rad8 Bf5 Bf6
Rd1;
r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN3/BP1BPN1P/2Q2PP1/R3R1K1 b - - acd 12; acn
27391955; acs 60; ce -43; pv Nxe4 Bxe4 exd4 Nxd4 Bc8 Rad1 Qe7 Bf5 c5 Nb5 Qf6 Rd5
Be6;
r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN3/BP1BPN1P/2Q2PP1/R4RK1 b - - acd 11; acn
27017832; acs 61; ce -42; pv Nxe4 Bxe4 exd4 Nxd4 Bc8 Bb2 Qe7 Bd3 Qh4 Nf5 Qg5 f4
Qh5;
r3rbk1/1pq2ppp/2ppbnn1/p3p3/PPPPN3/B2BPN1P/2Q2PP1/R2R2K1 b - - acd 10; acn
24369972; acs 60; ce 17; pv d5 Nxf6+ gxf6 Bxg6 fxg6 bxa5 dxc4 Bxf8 Rxf8 dxe5
fxe5 Ng5 Bd5;
r3rbk1/1pq2ppp/2ppbnn1/p1P1p3/P2PN3/BP1BPN1P/2Q2PP1/R2R2K1 b - - acd 12; acn
22612278; acs 61; ce -41; pv Nxe4 Bxe4 exd4 cxd6 Bxd6 Bxd6 Qxd6 Nxd4 Qe7 Nxe6
Qxe6 Bf5 Qf6 Qc5;
r3rbk1/1pq2ppp/2ppbnn1/p2Pp3/P1P1N3/BP1BPN1P/2Q2PP1/R2R2K1 b - - acd 13; acn
28565012; acs 60; ce -68; pv cxd5 Nxf6+ gxf6 cxd5 Qxc2 Bxc2 Bd7 g4 e4 Nd4 Rac8
Rac1 Nh4 Bb2 Bg7;
r3rbk1/1pq2ppp/2ppbnn1/p3P3/P1P1N3/BP1BPN1P/2Q2PP1/R2R2K1 b - - acd 12; acn
30422132; acs 61; ce -79; pv Nxe4 Bxe4 dxe5 Bb2 Bc8 c5 Qe7 Rac1 Qf6 Nd2 Qh4 Nf3
Qf6;
r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN3/BP1BPNPP/2Q2P2/R2R2K1 b - - acd 12; acn
27243612; acs 61; ce 73; pv Nxe4 Bxe4 Bxh3 dxe5 dxe5 Bxf8 Rxf8 Ng5 Bd7 Bxg6 fxg6
c5 Rad8 Qc4+ Kh8;
r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN1P1/BP1BPN1P/2Q2P2/R2R2K1 b - g3 acd 12; acn
26533941; acs 60; ce -40; pv Nxe4 Bxe4 exd4 Nxd4 Bd7 Rd2 Qd8 Nf5 Bxf5 Bxf5 Qh4
Bd7 Re5;
r3rbk1/1pq2ppp/2ppbnn1/p3p3/P1PPN2P/BP1BPN2/2Q2PP1/R2R2K1 b - - acd 11; acn
20107281; acs 60; ce -44; pv Nxe4 Bxe4 Bg4 Bf5 Bxf5 Qxf5 Ne7 Qg4 f5 Qh5 exd4
Rxd4 Red8;

>ECM.614 bm Qxf7+
>
>[D]5r2/pp1RRrk1/4Qq1p/1PP3p1/8/4B3/1b3P1P/6K1 w - - 0 1
>
>intended solution: 1.Qxf7+ Rxf7 2.Rxf7+ Qxf7 3.c6! bc6 4.bc6 Be5 5.Bd4! +-
>alternate solution: 1.Rxf7 Rxf7 2.Qxf7+ Qxf7 transposes

All the choices for white made, then analyzed from black's point of view:

5r2/pp1RRrk1/4Qq1p/1PP3p1/8/8/1b3P1P/2B3K1 b - - acd 4; acn 5220; acs 1; ce
32764; pv Qxf2+ Kh1 Qf1#;
5r2/pp1RRrk1/4Qq1p/1PP3p1/8/8/1b1B1P1P/6K1 b - - acd 4; acn 5308; acs 1; ce
32764; pv Qxf2+ Kh1 Qf1#;
5r2/pp1RRrk1/4Qq1p/1PP3p1/3B4/8/1b3P1P/6K1 b - - acd 14; acn 37145406; acs 61;
ce 490; pv Bxd4 Rxf7+ Rxf7 Qxf6+ Bxf6 Rd5 Kg6 Kg2 Rc7 Kf3 h5 h3 Be7 b6 axb6 cxb6
Rc2;
5r2/pp1RRrk1/4Qq1p/1PP3p1/5B2/8/1b3P1P/6K1 b - - acd 13; acn 35308794; acs 60;
ce 691; pv Qxe6 Rxe6 Rxd7 Bd6 Rf6 Re4 Rdf7 Rb4 Bc3 Rc4 Be1 Be5 Bxf2+ Kg2 Be3
Bxf6+ Kxf6;
5r2/pp1RRrk1/4Qq1p/1PP3B1/8/8/1b3P1P/6K1 b - - acd 4; acn 5193; acs 1; ce 32764;
pv Qxf2+ Kh1 Qf1#;
5r2/pp1RRrk1/4Qq1p/1PP3p1/8/4B3/1b3P1P/5K2 b - - acd 14; acn 34835258; acs 60;
ce 671; pv Qxe6 Rxe6 Rxd7 Kg2 Rf6 Re4 Rd5 Re7+ Rf7 Rxf7+ Kxf7 c6 bxc6 bxc6 Rd6
c7 Rc6 f4 Rxc7 fxg5;
5r2/pp1RRrk1/4Qq1p/1PP3p1/8/4B3/1b3PKP/8 b - - acd 14; acn 35308331; acs 60; ce
661; pv Qxe6 Rxe6 Rxd7 Re4 Bf6 Rg4 Kg6 Ra4 Ra8 c6 bxc6 bxc6 Rc7 Ra6 Kf5;
5r2/pp1RRrk1/4Qq1p/1PP3p1/8/4B3/1b3P1P/7K b - - acd 14; acn 35215727; acs 60; ce
671; pv Qxe6 Rxe6 Rxd7 Kg2 Rf6 Re4 Rc7;
5r2/pp1RRrk1/5q1p/1PP3p1/8/4B3/Qb3P1P/6K1 b - - acd 13; acn 35611430; acs 61; ce
212; pv Rxe7 Rxe7+ Qxe7 Qxb2+ Kg6 Qc2+ Rf5 c6 bxc6 bxc6 Qc7 Qe4 a5 Kg2 Qe5 Qxe5
Rxe5;
5r2/pp1RRrk1/Q4q1p/1PP3p1/8/4B3/1b3P1P/6K1 b - - acd 13; acn 36813818; acs 60;
ce 1202; pv bxa6 Rxf7+ Rxf7 Rd6 Qf5 bxa6 Be5 Kf1 Bxd6 cxd6 Qd3+ Ke1 Qxd6 Ke2
Qxh2;
5r2/pp1RRrk1/5q1p/1PP3p1/8/1Q2B3/1b3P1P/6K1 b - - acd 13; acn 35823175; acs 61;
ce 182; pv Rxe7 Rxe7+ Qxe7 Qxb2+ Kg6 Qc2+ Kh5 Qd1+ Kh4;
5r2/pp1RRrk1/1Q3q1p/1PP3p1/8/4B3/1b3P1P/6K1 b - - acd 13; acn 38204868; acs 60;
ce 1273; pv axb6 Rxf7+ Rxf7 Rd2 Bc3 Rd3 Be1 f3 Qf5 Bd4+ Kg6 Re3 bxc5 Be5 Re7
Rxe1 Rxe5 Rxe5 Qxe5;
5r2/pp1RRrk1/5q1p/1PP3p1/2Q5/4B3/1b3P1P/6K1 b - - acd 12; acn 34980611; acs 61;
ce 613; pv Rxe7 Rxe7+ Qxe7 Qa2 Be5 Qxa7 Rf7 Qa4 Qe6 h4 Qh3 hxg5 Bh2+ Kh1 Bf4+
Kg1 Bxe3 fxe3 hxg5;
5r2/pp1RRrk1/2Q2q1p/1PP3p1/8/4B3/1b3P1P/6K1 b - - acd 14; acn 36326020; acs 61;
ce 1239; pv bxc6 Rxf7+ Rxf7 Rd6 Qf5 bxc6 Be5 Kf1 Bxd6 cxd6 Qd3+ Ke1 Qxd6 Ke2 Re7
h4 Qxc6 hxg5 hxg5;
5r2/pp1RRrk1/5q1p/1PPQ2p1/8/4B3/1b3P1P/6K1 b - - acd 13; acn 36396421; acs 60;
ce 457; pv Rxe7 Rxb7 Rxb7 Qxb7+ Rf7 Qe4 Bc3 c6 Re7 Qd5 Rc7 Bxa7 Rxa7;
5r2/pp1RRrk1/3Q1q1p/1PP3p1/8/4B3/1b3P1P/6K1 b - - acd 13; acn 34133392; acs 61;
ce -13; pv Qxd6 Rxf7+ Rxf7 Rxd6 Be5 Rd5 Bc7 Rd3 a6 h4 gxh4 c6 axb5 Bd4+ Kg6 cxb7
Bb8;
5r2/pp1RRrk1/5q1p/1PP3p1/4Q3/4B3/1b3P1P/6K1 b - - acd 12; acn 34871769; acs 60;
ce -336; pv Rxe7 Rxe7+ Rf7 Rxb7 Be5 Rxf7+ Kxf7 c6 Qd6 Bxa7 Bxh2+ Kg2 Bf4 Qc4+
Kf6 b6;
5r2/pp1RRrk1/5q1p/1PP1Q1p1/8/4B3/1b3P1P/6K1 b - - acd 12; acn 36844829; acs 60;
ce 1404; pv Bxe5 Rxf7+ Rxf7 Rxf7+ Kxf7 c6 bxc6 b6 axb6 Bxb6 Qf4 h3 Qh2+ Kf1
Qxh3+ Ke2 Qg4+ f3 Qe6;
5r2/pp1RRrk1/5q1p/1PP2Qp1/8/4B3/1b3P1P/6K1 b - - acd 13; acn 36608042; acs 60;
ce 1140; pv Qxf5 Rxb7 Qg4+ Kh1 Bc1 Rxa7 Bxe3 Rxf7+ Rxf7 Rxf7+ Kxf7 fxe3 Qf3+ Kg1
Qxe3+ Kg2 Qxc5 h4 Qxb5;
5r2/pp1RRrk1/5q1p/1PP3p1/6Q1/4B3/1b3P1P/6K1 b - - acd 12; acn 33719271; acs 60;
ce 595; pv Rxe7 h4 Rxd7 Qxd7+ Qf7 Qg4 Qg6 hxg5 hxg5 b6 axb6 cxb6 Bf6 Kg2;
5r2/pp1RRrk1/5q1p/1PP3p1/8/4B2Q/1b3P1P/6K1 b - - acd 13; acn 31962043; acs 61;
ce 546; pv Rxe7 Rd6 Qf5 Qxh6+ Kg8 Qg6+ Kh8 Qxf5 Rxf5 Rg6 Rg7 Rh6+ Rh7 Rg6 Be5
h3;
5r2/pp1RRrk1/5Q1p/1PP3p1/8/4B3/1b3P1P/6K1 b - - acd 14; acn 33957620; acs 61; ce
-47; pv Bxf6 Rxf7+ Rxf7 Rd3 Be5 Ra3 Bb8 c6 bxc6 bxc6 Kg6 Kg2 Kf5 f3 Re7 Ra5+ Re5
Rc5 Rxc5 Bxc5;
5r2/pp1RRQk1/5q1p/1PP3p1/8/4B3/1b3P1P/6K1 b - - acd 17; acn 37004728; acs 60; ce
-426; pv Rxf7 Rxf7+ Qxf7 c6 bxc6 bxc6 Be5 Bd4 Bxd4 Rxf7+ Kxf7 c7 Bb6 c8=Q Kf6
Qh8+ Kg6 Kg2 h5 Qe8+ Kh6 Qe6+ Kg7 Kf3;
5r2/ppR1Rrk1/4Qq1p/1PP3p1/8/4B3/1b3P1P/6K1 b - - acd 14; acn 34039901; acs 61;
ce 677; pv Qxe6 Rxe6 Rxc7 Kg2 Rf5 Re8 Kf7 Ra8 b6 cxb6 axb6 Bxb6 Rb7 Be3 Rfxb5;
5r2/pp2Rrk1/4Qq1p/1PP3p1/8/4B3/1b3P1P/3R2K1 b - - acd 11; acn 34806039; acs 60;
ce 655; pv Rxe7 Qd5 Qe6 Qg2 Qc4 b6 Qe2 Rb1 axb6 cxb6 Kg8 Bc5;
5r2/pp2Rrk1/4Qq1p/1PP3p1/8/4B3/1b1R1P1P/6K1 b - - acd 12; acn 34852823; acs 60;
ce 641; pv Rxe7 Qc4 Be5 c6 Qf3 cxb7 Qh3 f3 Rxb7 Qc5 Rf5 Rf2;
5r2/pp2Rrk1/4Qq1p/1PP3p1/8/3RB3/1b3P1P/6K1 b - - acd 12; acn 36116066; acs 60;
ce 683; pv Rxe7 Qh3 Qf5 Qxf5 Rxf5 Rb3 Bc1 Bd4+ Kg6 c6 Bf4 Bxa7 bxc6 bxc6 Rxa7;
5r2/pp2Rrk1/4Qq1p/1PP3p1/3R4/4B3/1b3P1P/6K1 b - - acd 12; acn 34836186; acs 60;
ce 691; pv Rxe7 Qxf6+ Rxf6 Ra4 a6 Rg4 Kf7 bxa6 Rxa6 Bxg5 hxg5 Rxg5 Re1+ Kg2 Re2;
5r2/pp2Rrk1/4Qq1p/1PPR2p1/8/4B3/1b3P1P/6K1 b - - acd 13; acn 35997267; acs 61;
ce 690; pv Rxe7 Qh3 Qe6 Qg2 Rd7 Rxd7+ Qxd7 c6 bxc6 bxc6 Qd1+ Qf1 Qxf1+ Kxf1 Rc8
Bxa7 Rxc6 Be3;
5r2/pp2Rrk1/3RQq1p/1PP3p1/8/4B3/1b3P1P/6K1 b - - acd 13; acn 36800429; acs 60;
ce 552; pv Rxe7 Qh3 Qf5 Qxh6+ Kg8 Qg6+ Kh8 Qxf5 Rxf5 b6 axb6 Rxb6 Bc3 Rg6 Ree5
c6;
3R1r2/pp2Rrk1/4Qq1p/1PP3p1/8/4B3/1b3P1P/6K1 b - - acd 12; acn 34700014; acs 60;
ce 706; pv Rxd8 Rxf7+ Qxf7 Qe4 Rd5 h4 gxh4 Qxh4 Qg6+ Kf1 h5 Qg3 Be5 Qxg6+ Kxg6
f4;
4Rr2/pp1R1rk1/4Qq1p/1PP3p1/8/4B3/1b3P1P/6K1 b - - acd 14; acn 34165654; acs 60;
ce 671; pv Qxe6 Rxe6 Rxd7 Kg2 Rf6 Re4 Rd5 Re7+ Rf7 Rxf7+ Kxf7 c6 bxc6 bxc6 Rd6
c7 Rc6 f4 Rxc7 fxg5;
5r2/pR2Rrk1/4Qq1p/1PP3p1/8/4B3/1b3P1P/6K1 b - - acd 15; acn 24964105; acs 60; ce
486; pv Qxe6 Rxe6 Rxb7 b6 axb6 Rxb6 Rfb8 Re6 Bf6 c6 Rc7 f4 Rbc8 fxg5 hxg5 Rxf6
Kxf6;
5r2/pp1R1Rk1/4Qq1p/1PP3p1/8/4B3/1b3P1P/6K1 b - - acd 15; acn 38578370; acs 60;
ce -409; pv Rxf7 Qxf7+ Qxf7 c6 bxc6 bxc6 Be5 Bd4 Bxd4 Rxf7+ Kxf7 c7 Bb6 c8=Q Kf6
Qc6+ Kg7 Qd7+ Kg6 Qd6+ Kh5 Kg2 g4;
5r2/pp1RRrk1/1P2Qq1p/2P3p1/8/4B3/1b3P1P/6K1 b - - acd 15; acn 36757389; acs 60;
ce 510; pv Qxe6 Rxe6 Rxd7 bxa7 Ra8 Kg2 Rc7 c6 bxc6 Bb6 Rcc8 Bc5 h5 f3 Kf7 Re4;
5r2/pp1RRrk1/2P1Qq1p/1P4p1/8/4B3/1b3P1P/6K1 b - - acd 15; acn 35670100; acs 60;
ce 0; pv Qxe6 Rxe6 Rxd7 cxd7 Rd8 Rd6 Be5 Re6 Bb2;
5r2/pp1RRrk1/4Qq1p/1PP3p1/8/4BP2/1b5P/6K1 b - - acd 15; acn 35682917; acs 60; ce
693; pv Qxe6 Rxe6 Rxd7 Kg2 Rf6 Re4 Rdf7 h4 Rxf3 hxg5 hxg5 Bxg5 Rb3 b6 axb6 cxb6
Rxb6;
5r2/pp1RRrk1/4Qq1p/1PP3p1/5P2/4B3/1b5P/6K1 b - f3 acd 14; acn 37082054; acs 61;
ce 596; pv Qxe6 Rxe6 Rxd7 fxg5 hxg5 c6 bxc6 bxc6 Rc7 Bxg5 Rfc8 Rd6 Rxc6 Rd7+ Kg6
h4;
5r2/pp1RRrk1/4Qq1p/1PP3p1/8/4B2P/1b3P2/6K1 b - - acd 14; acn 33532081; acs 60;
ce 664; pv Qxe6 Rxe6 Rxd7 Kg2 Rd5 Re7+ Rf7 Rxf7+ Kxf7 c6 bxc6 bxc6 Rd6 c7 Rc6 f4
Rxc7 fxg5;
5r2/pp1RRrk1/4Qq1p/1PP3p1/7P/4B3/1b3P2/6K1 b - h3 acd 14; acn 37222647; acs 61;
ce 579; pv Qxe6 Rxe6 Rxd7 hxg5 hxg5 c6 bxc6 bxc6 Rc7 Bxg5 Rfc8 Bf4 Rxc6 Re7+ Kg6
Rxa7;


>am i missing something? is anybody still maintaining ECM98 officially? did i
>download an old version of this? is there a newer version? questions, questions
>:-)
>
>i got my version of ECM98 on scott gasch's monsoon site:
>http://wannabe.guru.org/scott/hobbies/chess/ECM.EPD
>
>cheers
>  martin



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