MESON Chess Problem Database

Problem Display
PID: 70526 (4K3/4B3/3p2N1/1PNkppR1/4R3/3p3Q/8/1B6 w - - 0 1)

Cowley, Joseph

Source?, 0000

4K3/4B3/3p2N1/1PNkppR1/4R3/3p3Q/8/1B6

#2

9 + 5

187 The Chess Bouquet 1897

SOLUTION

  • SOUND
  • Tries
    • 1.Sf4+?
      • 1...exf4
        • 2.Rxf5#
        • 2.Qxf5#
      • 1...Kxc5!
    • 1.Rxe5+?
      • 1...Kd4
        • 2.Qxd3#
      • 1...dxe5
        • 2.Qxd3#
      • 1...Kc4!
  • Keys
    • 1.Se6!
      • 1...Kxe4
        • 2.Qxd3#
      • 1...Kxe6
        • 2.Sf4#
      • 1...fxe4
        • 2.Ba2#
      • 1...f4
        • 2.Rd4#
      • 1...d2
        • 2.Qb3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);CHECK
      • Refutation
        • K(b);P-FLIGHT,P_SPINP(e),XS(E)
    • Try
      • R(C);CHECK,XP(c)
      • Vars
        • K(b);P-FLIGHT::QAR1(B),XP(a)
        • P(e);XR(C)::QAR2(B),XP(a)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • S(E);
    • Vars
      • K(b);P_SPINP(a),S_FLIGHT,XR(C)::QAB1(B),XP(a)
      • K(b);P_SPINP(c),S_FLIGHT,XS(E)::S(G)
      • P(d);P_SPINP(c),SBLOCK,XR(C)::B(A)
      • P(d);P_SPINP(c)::R1(C)
      • P(a);OGATE::QAB(B)
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