MESON Chess Problem Database

Problem Display
PID: 23823 (2KB4/8/2pPpPR1/4kP2/8/1B1Q1ppN/8/b3r3 w - - 0 1)

Chepizhni, Viktor Ivanovich

2nd Prize, Banny MT, 1997

2KB4/8/2pPpPR1/4kP2/8/1B1Q1ppN/8/b3r3

#2

9 + 7

6167 Viktor Chepizhny 2007

SOLUTION

  • SOUND
  • Tries
    • 1.Rg5?
      • threat
        • 2.fxe6#
      • 1...exf5
        • 2.Rxf5#
      • 1...Bd4!
    • 1.Qe3+?
      • 1...Kxf5
        • 2.Bc2#
        • 2.Rg5#
      • 1...Kxd6
        • 2.Bc7#
        • 2.Be7#
      • 1...Rxe3!
    • 1.f7?
      • threat
        • 2.Bf6#
        • 2.Rxe6#
      • 1...exf5
        • 2.Bf6#
        • 2.Re6#
      • 1...Bd4
        • 2.Rxe6#
      • 1...Re4!
  • Keys
    • 1.Qc4!
      • threat
        • 2.Qf4#
      • 1...Kxf5
        • 2.Rg5#
      • 1...Kxd6
        • 2.Bc7#
      • 1...Bd4
        • 2.Qxe6#
      • 1...Re4
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(G);
      • Threat
        • R(G)+P(D),XP(g)
      • Vars
        • P(g);OGATE,P_SPINP(g),XP(D)::R1(G),XP(g)
      • Refutation
        • B(a);
    • Try
      • Q(B);CHECK
      • Refutation
        • R(b);XQ(B)
    • Try
      • P(F);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);::R1(G),XP(g)
      • Refutation
        • R(b);
  • Actual
    • Q(B);
    • Threat
      • QAB1(B)
    • Vars
      • K(e);OGATEB,P-FLIGHT,XP(D)::R1(G)
      • K(e);OGATEB,S_FLIGHT,XP(E)::B(I)
      • B(a);SBLOCK::QAR1(B),XP(g)
      • R(b);SBLOCK::QAR2(B)
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