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Subject: Fritz 9 Finds Rcd1!

Author: John Jack

Date: 14:17:50 11/05/05


933: Petrosian,T - Fischer,R, Candidates Match final 1971
[D]r4k1r/pp2pp1p/8/2PPb3/Q7/4p3/B2q1PPP/2R2RK1 w - - 0 1

Analysis by Fritz 9:

22.Qe4!
  ³  (-0.29)   Depth: 7/24   00:00:00  121kN
22.Qe4 exf2+ 23.Kh1 f6 24.Rc2
  =  (-0.14)   Depth: 7/25   00:00:00  146kN
22.Qe4--
  ³  (-0.43)   Depth: 8/21   00:00:00  190kN
22.Qe4 exf2+ 23.Kh1 Qf4 24.Qxf4 Bxf4 25.Rc2 Be3 26.Rc3 Bd4 27.Rc4 Be5 28.Rxf2
Rg8 29.Kg1 Ke8
  µ  (-1.27)   Depth: 8/28   00:00:00  360kN
22.Kh1!
  µ  (-1.27)   Depth: 8/28   00:00:00  441kN
22.Kh1!
  µ  (-1.11)   Depth: 8/28   00:00:00  483kN
22.Kh1!
  µ  (-0.80)   Depth: 8/28   00:00:00  504kN
22.Kh1!
  =  (-0.17)   Depth: 8/28   00:00:00  576kN
22.Kh1 Rg8
  =  (-0.14)   Depth: 8/28   00:00:00  727kN
22.Kh1--
  ³  (-0.42)   Depth: 9/27   00:00:01  1022kN
22.Kh1 exf2 23.Rc2
  ³  (-0.42)   Depth: 9/32   00:00:01  1268kN
22.Kh1!
  =  (-0.14)   Depth: 10/30   00:00:02  2175kN
22.Kh1 exf2 23.Rc2 Qd4 24.Rc4 Qb2 25.Rc2
  =  (0.00)   Depth: 10/34   00:00:02  2541kN
22.g3!
  =  (0.01)   Depth: 10/34   00:00:05  5211kN
22.g3 exf2+ 23.Kg2 Qd4 24.Qd7 Qe4+ 25.Kh3 Bd4
  =  (0.02)   Depth: 10/34   00:00:05  5700kN
22.g3 exf2+ 23.Kg2 Qd4 24.Qc2 Rg8 25.Qxh7 Rg7 26.Qh8+ Rg8 27.Qh7
  =  (0.00)   Depth: 11/34   00:00:09  9591kN
22.g3!
  ²  (0.28)   Depth: 12/39   00:00:41  42490kN
22.g3 exf2+ 23.Kg2 Kg7 24.Rcd1 Qg5
  ²  (0.46)   Depth: 12/39   00:01:00  62060kN
22.Rcd1!
  ²  (0.47)   Depth: 12/39   00:01:04  66539kN
22.Rcd1!
  ²  (0.63)   Depth: 12/39   00:01:07  69723kN
22.Rcd1 Qe2 23.g3 Rg8 24.Qb3 Rg7 25.Qxe3 Qxe3 26.fxe3 Rc8 27.c6 bxc6
  ±  (0.71)   Depth: 12/39   00:01:10  72673kN
22.Rcd1!
  ±  (1.00)   Depth: 13/40   00:01:22  85249kN
22.Rcd1 Qe2 23.g3 Rg8 24.d6 exd6 25.cxd6 Rg7 26.d7 Rd8 27.Qa3+ Kg8
  ±  (0.98)   Depth: 14/41   00:01:54  117976kN
22.Rcd1 Qe2 23.g3 Rg8 24.d6 exd6 25.cxd6 Rg7 26.d7 Rd8 27.Qa3+ Kg8 28.Qxe3 Qxe3
29.fxe3 Kf8 30.Rd5 Bc3 31.Rc1
  ±  (0.92)   Depth: 15/43   00:02:41  169259kN

John E Jack

(933) Petrosian,Tigran V (2640) - Fischer,Robert James (2760) [D82]
Candidates Match final Buenos Aires (2), 05.10.1971
[ChessBase]
Fischer was six minutes late. 1.d4 [1.g4 Nc6 2.c4 Nf6 3.d3 e6 4.Nf3 Nd4 5.Nc3
Nc6 6.Nd5 Nb4 7.Nb6 Nc6 8.Nd4 Nb4 9.Nc2 Nc6 10.Nb4 Nd4 11.Na4 d5 12.Nc5 Nc6
13.Nc2 Nd4 14.Ne3] 1...Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 c5 6.dxc5 Qa5 7.Rc1
[7.Qa4+ Qxa4 8.Nxa4÷] 7...Ne4 8.cxd5 [8.Nge2!?] 8...Nxc3 9.Qd2 Qxa2 10.bxc3 Qa5
[10...Qxd2+?! ] 11.Bc4 Nd7 12.Ne2 Ne5?! [12...Nxc5= ] 13.Ba2 Bf5? [13...Qxc5 ]
14.Bxe5! Bxe5 15.Nd4 Qxc5 16.Nxf5 gxf5 17.0–0 Qa5!? 18.Qc2! f4 19.c4 fxe3?!
[19...b6 20.Qe4 Bd6 21.Bb3 ] 20.c5!! [20.fxe3 ] 20...Qd2 21.Qa4+ Kf8 22.Rcd1!
Qe2 [22...e2? 23.Rxd2 Bxh2+ 24.Kxh2 exf1Q 25.d6 exd6 26.Qd7+-] 23.d6! Qh5
[23...exf2+ 24.Rxf2 Bxh2+ 25.Kxh2 Qxf2 26.dxe7+ Kg7 (26...Kxe7 27.Rd7+ Kf8
28.Qc4+-) 27.Qg4+ Kf6 28.Rd3 Kxe7 29.Qd7+ Kf8 30.Qd6+ Kg7 31.Rg3++-; 23...exd6
24.fxe3 Qxe3+ 25.Kh1 f6 26.Qd7+-; 23...Bxh2+ 24.Kxh2 Qh5+ 25.Kg1 e2 26.dxe7+ Kg7
27.Rd4! exf1Q+ (27...Qh1+ 28.Kxh1 exf1Q+ 29.Kh2 h5 30.Rf4 f6 31.Qb3+-) 28.Kxf1
Qe5 29.Rg4+ Kf6 30.Re4 Qxc5 31.Qb3 Qh5 32.Rf4++-] 24.f4 e2 [24...Bf6 25.Rd5 Qg6
26.f5 Qh6 27.Qb3 e2 28.Re1 Qf4 29.dxe7+ Kg7 30.Rxe2 Bd4+ 31.Rxd4 Qxd4+ 32.Kf1
Qf4+ 33.Rf2 Qc1+ 34.Ke2+-] 25.fxe5 exd1Q 26.Rxd1 Qxe5 [26...Kg7 27.Rf1 e6
(27...Qxe5 28.Rxf7+ Kh6 29.Qh4+ Kg6 30.Rxe7+-) 28.Bxe6+-] 27.Rf1 f6 [27...f5
28.Qb3 Kg7 29.Qf7+ Kh6 30.dxe7+-] 28.Qb3 Kg7 29.Qf7+ Kh6 30.dxe7 f5 31.Rxf5 Qd4+
32.Kh1 Times: White: 2:16 Black: 2:14"Possibly one of the best games of recent
years." (Najdorf) 1–0






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