MESON Chess Problem Database

Problem Display
PID: 52316 (3N2B1/2b2N2/n2p1p2/1r1k2PK/2RPR1P1/7p/3QP2q/5r2 w - - 0 1)

Howard, Kenneth Samuel

1st Prize, Western Morning News and Daily Gazette, 1932/II

3N2B1/2b2N2/n2p1p2/1r1k2PK/2RPR1P1/7p/3QP2q/5r2

#2

11 + 9

5089 The Enjoyment of Chess Problems 1943
5064 100 Years of the American Two-move Chess Problem 1962

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc4
      • 2.Se5#
      • 2.Sxd6#
    • 1...Kxe4
      • 2.d5#
    • 1...Qe5
      • 2.dxe5#
    • 1...Rc5
      • 2.dxc5#
    • 1...Sc5
      • 2.dxc5#
  • Tries
    • 1.Qd3?
      • threat
        • 2.Se5#
        • 2.Sh6#
        • 2.Sh8#
      • 1...Sc5
        • 2.dxc5#
      • 1...Qe5
        • 2.Sxe5#
        • 2.dxe5#
      • 1...fxg5!
    • 1.gxf6?
      • threat
        • 2.Sg5#
      • 1...Kxc4+
        • 2.Se5#
      • 1...Kxe4+
        • 2.d5#
      • 1...Qe5+
        • 2.dxe5#
      • 1...Sc5
        • 2.dxc5#
      • 1...Rxf6!
  • Keys
    • 1.g6!
      • threat
        • 2.Sg5#
      • 1...Kxc4+
        • 2.Se5#
      • 1...Kxe4+
        • 2.d5#
      • 1...Qe5+
        • 2.dxe5#
      • 1...Sc5
        • 2.dxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(e);OGATE,P_PINP(G),S_FLIGHT,XR(E)::R(C)+P(D)
    • Q(b);OGATE,P_PINP(G)::QAR(A)+P(D),XQ(b)
    • R(d);OGATE::QAR(A)+P(D),XR(d)
    • S(f);OGATE::QAR(A)+P(D),XS(f)
  • Tries
    • Try
      • Q(A);
      • Threat
        • DUALS(3)
      • Vars
        • S(f);OGATE::QAR(A)+P(D),XS(f)
      • Refutation
        • P(h);XP(G)
    • Try
      • P(G);XP(h)
      • Threat
        • B(K)+S(I)
      • Vars
        • K(e);CHECK,S_FLIGHT,XR(C)::B(K)+S(I),DCHECK
        • K(e);CHECK,OGATE,S_FLIGHT,XR(E)::R(C)+P(D)
        • Q(b);CHECK,OGATE::QAR(A)+P(D),XQ(b)
        • S(f);OGATE::QAR(A)+P(D),XS(f)
      • Refutation
        • R(a);XP(G)
  • Actual
    • P(G);
    • Threat
      • B(K)+S(I)
    • Vars
      • K(e);CHECK,S_FLIGHT,XR(C)::B(K)+S(I),DCHECK
      • K(e);CHECK,OGATE,S_FLIGHT,XR(E)::R(C)+P(D)
      • Q(b);CHECK,OGATE::QAR(A)+P(D),XQ(b)
      • S(f);OGATE::QAR(A)+P(D),XS(f)
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