MESON Chess Problem Database

Problem Display
PID: 54760 (2RKB3/1pB5/2P5/1PkpP3/4p3/1Q2p3/2P5/4r3 w - - 0 1)

Kopaev, Viacheslav Georgievich

1st HM., Moscow Ty., 1993-1995

2RKB3/1pB5/2P5/1PkpP3/4p3/1Q2p3/2P5/4r3

#2

9 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qb4#
  • Tries
    • 1.Ba5?
      • threat
        • 2.Qb4#
      • 1...Kd4
        • 2.Qc3#
      • 1...d4
        • 2.cxb7#
      • 1...Rb1!
    • 1.Bd6+?
      • 1...Kd4
        • 2.Qb4#
      • 1...Kb6!
  • Keys
    • 1.cxb7!
      • threat
        • 2.Qc3#
      • 1...Kd4
        • 2.Qb4#
      • 1...d4
        • 2.Ba5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(d);S_FLIGHT::QAR2(B)
  • Tries
    • Try
      • B(F);
      • Threat
        • QAB1(B)
      • Vars
        • K(d);S_FLIGHT::QAB1(B)
        • P(e);SBLOCK::R(G)+P(E),XP(f)
      • Refutation
        • R(a);
    • Try
      • B(F);CHECK
      • Vars
        • K(d);S_FLIGHT::QAR2(B)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • P(E);XP(f)
    • Threat
      • QAR2(B)
    • Vars
      • K(d);S_FLIGHT::QAR2(B)
      • P(e);SBLOCK::R(G)+B(F)
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