MESON Chess Problem Database

Problem Display
PID: 149075 (8/8/1B1K2p1/1BP2p1b/1b1k1p1N/1p1P2R1/1P1P4/8 w - - 0 1)

Kostadinov, Diyan

The Problemist, 2012

8/8/1B1K2p1/1BP2p1b/1b1k1p1N/1p1P2R1/1P1P4/8

#2

9 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd2
      • 2.c6#
    • 1...Bc3
      • 2.bxc3#
      • 2.dxc3#
      • 2.c6#
    • 1...Bxc5+
      • 2.Bxc5#
    • 1...Bf3
      • 2.Sxf3#
    • 1...g5
      • 2.Sxf5#
  • Tries
    • 1.Rxg6?
      • threat
        • 2.Sxf5#
      • 1...Bxc5+
        • 2.Bxc5#
      • 1...Bxg6
        • 2.Sf3#
      • 1...Bg4!
  • Keys
    • 1.Rf3!
      • threat
        • 2.Rxf4#
      • 1...Bxc5+
        • 2.Bxc5#
      • 1...Bxd2
        • 2.c6#
      • 1...Bxf3
        • 2.Sxf3#
      • 1...g5
        • 2.Sxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • B(b);N_PINP(G),XP(B)::B(H)+P(G)
    • B(b);CHECK,OGATE,P_SPINB(b),XP(G)::B(H),XB(b)
    • B(f);N_GUARD::S(E),XB(f)
    • P(g);N_GUARD::S(E),XP(e)
  • Tries
    • Try
      • R(D);XP(g)
      • Threat
        • S(E),XP(e)
      • Vars
        • B(b);CHECK,OGATE,P_SPINB(b),XP(G)::B(H),XB(b)
        • B(f);N_GUARD,XR(D)::S(E)
      • Refutation
        • B(f);
  • Actual
    • R(D);
    • Threat
      • R(D),XP(d)
    • Vars
      • B(b);CHECK,OGATE,P_SPINB(b),XP(G)::B(H),XB(b)
      • B(b);N_PINP(G),XP(B)::B(H)+P(G)
      • B(f);XR(D)::S(E),XB(f)
      • P(g);N_GUARD::S(E),XP(e)
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