MESON Chess Problem Database

Problem Display
PID: 10970 (8/4K3/3N4/3p3p/B2k3P/PP6/3P4/2BQR3 w - - 0 1)

Vansittart, Cyril Bexley

International Chess Magazine, 1885

8/4K3/3N4/3p3p/B2k3P/PP6/3P4/2BQR3

#2

10 + 3

5454 Near Snap 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sb5+?
      • 1...Kd3
        • 2.Re3#
      • 1...Kc5!
    • 1.Sf5+?
      • 1...Kd3
        • 2.Bb5#
        • 2.Re3#
      • 1...Kc5!
    • 1.Sc8?
      • 1...Kc5
        • 2.d4#
      • 1...Kd3!
    • 1.Bb2+?
      • 1...Kd3
        • 2.Bb5#
        • 2.Re3#
      • 1...Kc5!
    • 1.d3?
      • 1...Kc3
        • 2.Sb5#
      • 1...Kc5!
  • Keys
    • 1.Re5!
      • 1...Kd3
        • 2.Rxd5#
      • 1...Kc5
        • 2.Qg1#
      • 1...Kxe5
        • 2.d4#

This anticipates 104624(1938)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(I);CHECK
      • Vars
        • K(a);P-FLIGHT::R1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(I);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(I);
      • Vars
        • K(a);OGATE,S_FLIGHT::P(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(A);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(D);
      • Vars
        • K(a);S_FLIGHT::S(I)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(C);
    • Vars
      • K(a);P-FLIGHT::R(C),XP(b)
      • K(a);P_SPINP(b),S_FLIGHT::QAB(B)
      • K(a);OGATE,S_FLIGHT,XR(C)::P(D)
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