MESON Chess Problem Database

Problem Display
PID: 224457 (K7/8/1B6/4R3/8/8/1R4rk/6Nr w - - 0 1)

Wheeler, Charles Henry

Philadelphia Times, 1887

K7/8/1B6/4R3/8/8/1R4rk/6Nr

#2

5 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Rg5?
      • threat
        • 2.Rbxg2#
        • 2.Rgxg2#
      • 1...Rxb2
        • 2.Bc7#
      • 1...Rc2
        • 2.Bc7#
        • 2.Rxc2#
      • 1...Rd2
        • 2.Bc7#
        • 2.Rxd2#
      • 1...Re2
        • 2.Bc7#
        • 2.Rxe2#
      • 1...Rf2
        • 2.Bc7#
        • 2.Rxf2#
      • 1...Rxg1!
  • Keys
    • 1.Bc7!
      • threat
        • 2.Re1#
      • 1...Kxg1
        • 2.Re1#
      • 1...Kg3
        • 2.Re4#
      • 1...Rxg1
        • 2.Rh5#
      • 1...Rxb2
        • 2.Rg5#
      • 1...Rc2
        • 2.Rg5#
      • 1...Rd2
        • 2.Rg5#
      • 1...Re2
        • 2.Rg5#
      • 1...Rf2
        • 2.Rg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);
      • Threat
        • DUALS(2)
      • Vars
        • R(b);N_SPINR(b),XR(B)::B(D)
      • Refutation
        • R(a);XS(A)
  • Actual
    • B(D);
    • Threat
      • B(D)+R(C)
    • Vars
      • K(c);N_SPINR(b),S_FLIGHT,XS(A)::R(C)
      • K(c);N_SPINR(b),S_FLIGHT::B(D)+R(C)
      • R(a);SBLOCK,XS(A)::B(D)+R(C),DCHECK
      • R(b);N_SPINR(b),XR(B)::B(D)+R(C)
      • R(b);::B(D)+R(C)
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