Author: Richard Pijl
Date: 12:29:03 02/09/03
Go up one level in this thread
On February 09, 2003 at 09:33:03, David Rasmussen wrote: >What would your engine play here, and if not the suggested move, then why not? > >[D]2r5/p4pk1/3p2p1/Pp2p3/1P1nP1P1/q2P3P/2r3B1/1R2QR1K b - - 0 33 > >33... Rxg2 Baron rather plays Ne2: ply time nodes score pv 5(11)> 0 29049 117 d4e2 5(11)& 0 35414 142 d4e2 b1d1 e2f4 f1f2 g6g5 5(11)> 0 40511 143 d4e6 5(11)+ 0 48242 186 d4e6 b1a1 a3b2 a1d1 c2g2 5(11)& 0 52519 185 d4e6 e1e3 e6f4 g2f3 f4d3 5(11). 0 69768 185 d4e6 e1e3 e6f4 g2f3 f4d3 6(13)& 0 148555 161 d4e6 b1a1 a3c3 e1c3 c8c3 a1d1 6(13)> 0 164570 162 d4e2 6(13)& 0 187963 189 d4e2 e1f2 e2f4 f2a7 c8c7 a7b6 6(13). 0 251570 189 d4e2 e1f2 e2f4 f2a7 c8c7 a7b6 7(15)& 1 315703 189 d4e2 e1f2 e2f4 f2a7 c8c7 a7b8 f4g2 7(15). 2 668359 189 d4e2 e1f2 e2f4 f2a7 c8c7 a7b8 f4g2 8(19)& 4 1233022 188 d4e2 b1d1 e2f4 f1f2 f4d3 f2c2 d3e1 c2c8 8(19)> 5 1443837 189 d4e6 8(19)& 6 1836986 189 d4e6 b1a1 a3b2 a1b1 c2g2 b1b2 e6f4 8(19). 8 2395506 189 d4e6 b1a1 a3b2 a1b1 c2g2 b1b2 e6f4 9(20)& 15 4398439 198 d4e6 b1a1 a3b2 a1b1 b2d4 g2f3 e6f4 h3h4 g7f8 b1d1 9(20)> 18 5339828 199 a3d3 9(21)& 20 5841844 199 a3d3 b1d1 d3e2 e1e2 c2e2 d1c1 c8c2 c1c2 d4c2 f1b1 9(21). 22 6598515 199 a3d3 b1d1 d3e2 e1e2 c2e2 d1c1 c8c2 c1c2 d4c2 f1b1 10(22)& 27 8269135 205 a3d3 b1d1 d3e2 e1e2 c2e2 d1c1 c8c4 h3h4 e2b2 g2h3 c4c1 10(22). 42 12825647 205 a3d3 b1d1 d3e2 e1e2 c2e2 d1c1 c8c4 h3h4 e2b2 g2h3 c4c1 11(23)& 68 20496287 206 a3d3 b1d1 d3e2 e1e2 c2e2 d1c1 c8c2 c1c2 d4c2 f1b1 c2e1 g2f1 11(23)> 94 28151226 207 d4e2 11(24)& 149 44768775 211 d4e2 b1a1 a3d3 a1d1 d3g3 e1f2 g3f4 d1d3 f4f2 f1f2 e2f4 11(24). 198 59707934 211 d4e2 b1a1 a3d3 a1d1 d3g3 e1f2 g3f4 d1d3 f4f2 f1f2 e2f4 12(25)& 349 103878286 235 d4e2 b1a1 a3d3 a1d1 d3a3 d1a1 a3e3 f1f3 e3h6 a1d1 e2f4 > >[D]8/p4pk1/3p2p1/Pp2p3/1P1n2P1/6KP/4q3/2Q2R2 b - - 0 38 > >38... Qc4 Again Baron made a different choice: ply time nodes score pv 4( 9). 0 9238 123 e2d3 g3h2 d4e2 c1e1 e2f4 5(12)& 0 31036 154 e2d3 g3h2 d6d5 a5a6 d4e2 c1e1 d3e4 5(12). 0 41971 154 e2d3 g3h2 d6d5 a5a6 d4e2 c1e1 d3e4 6(15)+ 0 101857 189 e2d3 g3h2 d4e2 c1e1 e2f4 h3h4 d3h3 h2g1 h3g4 e1g3 g4g3 g1h1 6(16)& 0 134577 257 e2d3 g3g2 d4e2 c1e1 e2f4 f1f4 e5f4 e1a1 f7f6 a1c1 6(16). 0 172659 257 e2d3 g3g2 d4e2 c1e1 e2f4 f1f4 e5f4 e1a1 f7f6 a1c1 7(17)& 1 309551 285 e2d3 g3g2 d4e2 c1e1 e2f4 g2f2 d3c2 f2f3 c2g2 f3e3 f4d5 e3d3 g2h3 d3d2 h3c3 7(17). 1 385989 285 e2d3 g3g2 d4e2 c1e1 e2f4 g2f2 d3c2 f2f3 c2g2 f3e3 f4d5 e3d3 g2h3 d3d2 h3c3 8(19)& 2 826114 293 e2d3 g3g2 d4e2 c1e1 e2f4 f1f4 e5f4 8(19). 3 1062489 293 e2d3 g3g2 d4e2 c1e1 e2f4 f1f4 e5f4 9(21)& 7 2510677 300 e2d3 g3g2 d4e2 c1e1 e2f4 g2g1 d3h3 e1e4 h3g4 g1f2 f4h3 f2e3 g4e4 e3e4 f7f5 e4d5 9(21). 9 3181330 300 e2d3 g3g2 d4e2 c1e1 e2f4 g2g1 d3h3 e1e4 h3g4 g1f2 f4h3 f2e3 g4e4 e3e4 f7f5 e4d5 10(24)& 28 9237944 304 e2d3 g3g2 d4e2 c1e1 e2f4 g2g1 d3h3 e1e4 h3g4 g1f2 g4h4 f2e3 h4h3 e3f2 10(24). 35 11908136 304 e2d3 g3g2 d4e2 c1e1 e2f4 g2g1 d3h3 e1e4 h3g4 g1f2 g4h4 f2e3 h4h3 e3f2 11(26)& 131 42521215 315 e2d3 g3g2 d4e2 c1e1 e2f4 g2g1 d3h3 e1e4 h3g4 g1f2 g6g5 a5a6 g4h4 f2e3 h4h3 e3f2 h3h2 f2e1 11(26). 157 51297019 315 e2d3 g3g2 d4e2 c1e1 e2f4 g2g1 d3h3 e1e4 h3g4 g1f2 g6g5 a5a6 g4h4 f2e3 h4h3 e3f2 h3h2 f2e1 > >[D]8/p7/5k2/Pn1ppp2/1Pp4P/5K2/8/6R1 b - - 0 47 > >47... Nd4+ This is a tough position where the danger and promotion of the h-pawn must be weighed against the 4 connected passers. Baron opts for running with its own, but I'm not sure that is the wisest to do. Although a big fail-low occurred, Nd4 is not played by Baron at all (and I don't have the time currently to give it a longer shot at the position ply time nodes score pv 6( 9)& 0 9413 259 d5d4 h4h5 c4c3 g1g6 f6f7 f3e2 e5e4 a5a6 6(12)> 0 14140 260 e5e4 6(12)& 0 18449 271 e5e4 f3f4 b5d4 f4e3 d4f3 g1h1 d5d4 e3f4 6(12)> 0 21353 272 c4c3 6(12)+ 0 25101 278 c4c3 h4h5 e5e4 f3e2 d5d4 g1g6 f6e5 h5h6 d4d3 e2e3 6(14)& 0 33453 277 c4c3 h4h5 e5e4 f3f2 d5d4 h5h6 f6f7 h6h7 d4d3 h7h8q b5d6 6(14). 0 33735 277 c4c3 h4h5 e5e4 f3f2 d5d4 h5h6 f6f7 h6h7 d4d3 h7h8q b5d6 7(15)> 0 47837 243 d5d4 7(15)& 0 62285 268 d5d4 h4h5 e5e4 f3f2 d4d3 h5h6 f5f4 h6h7 f4f3 7(15)> 0 100704 269 e5e4 7(15)& 0 162908 278 e5e4 f3f2 f5f4 g1g5 e4e3 f2e1 f6e6 7(15). 0 166686 278 e5e4 f3f2 f5f4 g1g5 e4e3 f2e1 f6e6 8(16)& 0 211240 273 e5e4 f3f2 f5f4 g1g4 f4f3 g4f4 f6e7 f4f8 8(16). 0 219596 273 e5e4 f3f2 f5f4 g1g4 f4f3 g4f4 f6e7 f4f8 9(17)& 0 342038 300 e5e4 f3f2 f5f4 g1g5 e4e3 f2g2 c4c3 g5g4 f6e5 h4h5 c3c2 g4g5 e5e6 9(17). 0 362019 300 e5e4 f3f2 f5f4 g1g5 e4e3 f2g2 c4c3 g5g4 f6e5 h4h5 c3c2 g4g5 e5e6 10(19)& 1 734550 310 e5e4 f3f2 f5f4 g1g5 e4e3 f2g2 b5d4 g5d5 f4f3 g2f1 d4f5 d5d7 a7a6 10(19). 2 798651 310 e5e4 f3f2 f5f4 g1g5 e4e3 f2g2 b5d4 g5d5 f4f3 g2f1 d4f5 d5d7 a7a6 11(21)- 3 1249807 275 e5e4 f3f2 f5f4 h4h5 e4e3 f2f1 f4f3 h5h6 d5d4 h6h7 e3e2 f1f2 e2e1q f2e1 c4c3 11(21)& 4 1730703 254 e5e4 f3f2 d5d4 h4h5 d4d3 h5h6 b5d6 h6h7 d6f7 g1g8 d3d2 f2e2 c4c3 e2d1 11(21). 5 2251888 254 e5e4 f3f2 d5d4 h4h5 d4d3 h5h6 b5d6 h6h7 d6f7 g1g8 d3d2 f2e2 c4c3 e2d1 12(22)& 7 2863042 254 e5e4 f3f2 d5d4 h4h5 d4d3 h5h6 b5d6 h6h7 d6f7 g1g8 d3d2 f2e2 c4c3 e2d1 12(22). 9 3544577 254 e5e4 f3f2 d5d4 h4h5 d4d3 h5h6 b5d6 h6h7 d6f7 g1g8 d3d2 f2e2 c4c3 e2d1 13(23)& 11 4669990 254 e5e4 f3f2 d5d4 h4h5 d4d3 h5h6 b5d6 h6h7 d6f7 g1g8 d3d2 f2e2 c4c3 e2d1 f5f4 13(24)> 16 6333912 255 c4c3 13(24). 21 8600560 254 c4c3 h4h5 d5d4 h5h6 d4d3 h6h7 e5e4 f3e3 b5d6 h7h8q f6e6 14(27)- 253 89462326 219 c4c3 h4h5 d5d4 h5h6 b5d6 h6h7 d6f7 g1g8 c3c2 g8c8 e5e4 f3e2 f5f4 e2d2 d4d3 c8c7 e4e3 d2d3 c2c1b 14(27)- 600 211747346 129 c4c3 h4h5 d5d4 h5h6 e5e4 f3e2 d4d3 e2d1 c3c2 d1c1 b5d6 h6h7 d6f7 g1g8 e4e3 g8f8 d3d2 c1c2 f6g6 c2d1 14(28)& 873 306662826 18 c4c3 h4h5 d5d4 h5h6 e5e4 f3e2 d4d3 e2d1 c3c2 d1c1 b5d6 h6h7 d6f7 g1g8 f6e5 g8f8 f7h8 14(28)> 875 307724422 19 d5d4 14(28)> 1041 369550405 19 e5e4 14(28). 1406 500295713 18 e5e4 f3f2 f5f4 h4h5 e4e3 f2f1 a7a6 h5h6 b5d6 h6h7 c4c3 h7h8q f6f7 15(28)& 1458 519967242 18 e5e4 f3f2 d5d4 h4h5 c4c3 h5h6 c3c2 h6h7 b5d6 h7h8q f6e7 15(28). 1477 527907910 18 e5e4 f3f2 d5d4 h4h5 c4c3 h5h6 c3c2 h6h7 b5d6 h7h8q f6e7 16(28)& 1547 555042311 18 e5e4 f3f2 d5d4 h4h5 c4c3 h5h6 b5d6 h6h7 f5f4 h7h8q f6e6 Richard.
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