MESON Chess Problem Database

Problem Display
PID: 141116 (2Bk4/4N3/1N6/4K2Q/8/8/3B4/8 w - - 0 1)

Surkov, Ruslan Albertovich

1st Prize, Smena, 2001

2Bk4/4N3/1N6/4K2Q/8/8/3B4/8

#2

6 + 1

3389 Belgian Solving Championship 2011
15174 FIDE Album (2001-2003) 2011
5454 Near Snap 2023

SOLUTION

  • SOUND
  • Tries
    • 1.Ba5?
      • threat
        • 2.Sbd5#
      • 1...Kc7
        • 2.Sd7#
      • 1...Kxe7!
    • 1.Bd7?
      • 1...Kxe7
        • 2.Qe8#
      • 1...Kc7!
    • 1.Qg6?
      • 1...Kc7
        • 2.Qd6#
      • 1...Kxe7!
  • Keys
    • 1.Sd7!
      • 1...Kc7
        • 2.Ba5#
      • 1...Kxe7
        • 2.Bg5#

Anticipated by 197293(1996)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);
      • Threat
        • B(A)+S(D)
      • Vars
        • K(a);S_FLIGHT::B(A)+S(D)
      • Refutation
        • K(a);S_FLIGHT,XS(E)
    • Try
      • B(F);
      • Vars
        • K(a);S_FLIGHT,XS(E)::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);S_FLIGHT::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT,XS(E)
  • Actual
    • S(D);
    • Vars
      • K(a);S_FLIGHT::B(A)
      • K(a);OGATEB,S_FLIGHT,XS(E)::B(A)
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