MESON Chess Problem Database

Problem Display
PID: 171307 (2R3Bk/5K2/8/8/3b4/2p5/8/B7 w - - 0 1)

Antipov, Viacheslav Pavlovich

Za Ogneypori, 1989

2R3Bk/5K2/8/8/3b4/2p5/8/B7

#2

4 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...c2
      • 2.Bxd4#
  • Tries
    • 1.Bxc3?
      • threat
        • 2.Bxd4#
      • 1...Be5
        • 2.Bxe5#
      • 1...Bf6
        • 2.Bxf6#
      • 1...Bg7
        • 2.Bxg7#
      • 1...Bxc3!
  • Keys
    • 1.Rxc3!
      • threat
        • 2.Rh3#
      • 1...Bxc3
        • 2.Bxc3#
      • 1...Be3
        • 2.Rxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • P(a);OGATE,P_SPINB(b)::B(A),XB(b)
  • Tries
    • Try
      • B(A);P_PINB(b),XP(a)
      • Threat
        • B(A),XB(b)
      • Vars
        • B(b);OGATE::B(A),XB(b)
      • Refutation
        • B(b);N_SPINB(b),XB(A)
  • Actual
    • R(C);XP(a)
    • Threat
      • R(C)
    • Vars
      • B(b);OGATE,P_SPINB(b),XR(C)::B(A),XB(b)
      • B(b);OGATEB::B(A)+R(C),XB(b)
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