MESON Chess Problem Database

Problem Display
PID: 120070 (K3k2r/3p3p/3P2p1/p3B1p1/4R3/1Q6/7b/8 w - - 0 1)

Cuttle, HM

Chess Amateur (The), 1926

K3k2r/3p3p/3P2p1/p3B1p1/4R3/1Q6/7b/8

#2

5 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kd8
      • 2.Qb8#
    • 1...Rg8
      • 2.Qxg8#
  • Tries
    • 1.Bxh2+?
      • 1...Kd8
        • 2.Qb8#
      • 1...Kf8!
    • 1.Bg3+?
      • 1...Kd8
        • 2.Qb8#
      • 1...Kf8!
    • 1.Bf4+?
      • 1...Kd8
        • 2.Qb8#
      • 1...Kf8!
    • 1.Bg7+?
      • 1...Kd8
        • 2.Qb8#
      • 1...Be5!
    • 1.Bxh8+?
      • 1...Kd8
        • 2.Qg8#
        • 2.Qb8#
      • 1...Be5
        • 2.Qg8#
      • 1...Kf8!
    • 1.Rb4?
      • threat
        • 2.Rb8#
      • 1...Kd8
        • 2.Rb8#
      • 1...Kf8
        • 2.Rb8#
      • 1...axb4!
  • Keys
    • 1.Rc4!
      • threat
        • 2.Rc8#
      • 1...Kf7+
        • 2.Rc8#
      • 1...Kd8
        • 2.Qb8#
      • 1...Kf8
        • 2.Rc8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(g);P-FLIGHT::QAR2(A)
    • R(h);N_GUARD::QAR2(A),XR(h)
  • Tries
    • Try
      • B(C);CHECK,XB(a)
      • Vars
        • K(g);P-FLIGHT::QAR2(A)
      • Refutation
        • K(g);P-FLIGHT
    • Try
      • B(C);CHECK
      • Vars
        • K(g);P-FLIGHT::QAR2(A)
      • Refutation
        • K(g);P-FLIGHT
    • Try
      • B(C);CHECK
      • Vars
        • K(g);P-FLIGHT::QAR2(A)
      • Refutation
        • K(g);P-FLIGHT
    • Try
      • B(C);CHECK
      • Vars
        • K(g);P-FLIGHT::QAR2(A)
      • Refutation
        • B(a);P_SPINB(a)
    • Try
      • B(C);CHECK,XR(h)
      • Vars
        • B(a);P_SPINB(a)::QAR2(A)
      • Refutation
        • K(g);P-FLIGHT
    • Try
      • R(B);
      • Threat
        • R(B)
      • Vars
        • K(g);P-FLIGHT::R(B)
      • Refutation
        • P(b);XR(B)
  • Actual
    • R(B);
    • Threat
      • R(B)
    • Vars
      • K(g);CHECK,S_FLIGHT::QAB(A)+R(B)
      • K(g);P-FLIGHT::QAR2(A)
      • K(g);P-FLIGHT::R(B)
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