MESON Chess Problem Database

Problem Display
PID: 181317 (5K2/2p3N1/5k2/4p1pP/4p1p1/8/3B1P1Q/4R1R1 w - - 0 1)

Taylor, A

Problem Observer, 2014

5K2/2p3N1/5k2/4p1pP/4p1p1/8/3B1P1Q/4R1R1

#2

8 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Rc1?
      • threat
        • 2.Rc6#
      • 1...c6
        • 2.Rxc6#
      • 1...c5!
    • 1.Qf4+?
      • 1...exf4
        • 2.Bc3#
      • 1...gxf4!
  • Keys
    • 1.f4!
      • threat
        • 2.fxe5#
        • 2.fxg5#
      • 1...exf4
        • 2.Bc3#
      • 1...gxf4
        • 2.Qh4#
      • 1...exf4 ep
        • 2.Qxe5#
      • 1...gxf4 ep
        • 2.Bxg5#
      • 1...e3
        • 2.fxe5#
      • 1...g3
        • 2.fxg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(A);
      • Threat
        • R(A)
      • Vars
        • P(f);::R(A),XP(f)
      • Refutation
        • P(f);
    • Try
      • Q(E);CHECK
      • Vars
        • P(c);S_CUTP(d),XQ(E)::B(C)
      • Refutation
        • P(d);XQ(E)
  • Actual
    • P(D);
    • Threat
      • DUALS(2)
    • Vars
      • P(c);OGATEB,XP(D)::B(C)
      • P(d);OGATEB,XP(D)::QAB(E)
      • P(a);EP,OGATE,XP(D)::QAB1(E),XP(c)
      • P(b);EP,OGATE,XP(D)::B(C),XP(d)
      • P(a);::P(D),XP(c)
      • P(b);::P(D),XP(d)
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