MESON Chess Problem Database

Problem Display
PID: 43981 (bKB5/5pr1/5p1q/3R1P2/3PkPR1/3pB1n1/Q1n5/5NN1 w - - 0 1)

Kipping, Cyril Stanley

Manchester City News, 1913

bKB5/5pr1/5p1q/3R1P2/3PkPR1/3pB1n1/Q1n5/5NN1

#2

11 + 9

4792 300 Chess Problems 1916

SOLUTION

  • SOUND
  • Sets
    • 1...Qxf4+
      • 2.Rxf4#
    • 1...Qg5
      • 2.fxg5#
    • 1...Rg5
      • 2.fxg5#
    • 1...Sa1
      • 2.Qg2#
    • 1...Sa3
      • 2.Qg2#
    • 1...Sxe3
      • 2.Sd2#
      • 2.Sxg3#
    • 1...Sb4
      • 2.Qg2#
    • 1...Sxd4
      • 2.Rxd4#
    • 1...Sxf5
      • 2.Bxf5#
  • Tries
    • 1.Rd8?
      • threat
        • 2.Re8#
        • 2.Qxa8#
      • 1...Qxf4+
        • 2.Rxf4#
      • 1...Sxe3
        • 2.Sd2#
        • 2.Sxg3#
      • 1...Sxd4
        • 2.Rxd4#
      • 1...Sxf1
        • 2.Re8#
      • 1...Sxf5
        • 2.Qxa8#
      • 1...d2
        • 2.Qxc2#
      • 1...Qh8
        • 2.Qxa8#
      • 1...Rg8
        • 2.Qxa8#
      • 1...Bd5
        • 2.Qxd5#
      • 1...Bb7
        • 2.Re8#
      • 1...Sa3
        • 2.Re8#
        • 2.Qg2#
      • 1...Sb4
        • 2.Re8#
        • 2.Qg2#
      • 1...Bc6!
    • 1.Qxa8?
      • threat
        • 2.Ra5#
        • 2.Rb5#
        • 2.Rc5#
        • 2.Re5#
        • 2.Rd6#
        • 2.Rd8#
      • 1...Qxf4+
        • 2.Rxf4#
        • 2.Re5#
        • 2.Rd6#
      • 1...Sxe3
        • 2.Sd2#
        • 2.Sxg3#
      • 1...Sxd4
        • 2.Rxd4#
        • 2.Re5#
      • 1...Sxf1
        • 2.Re5#
      • 1...Sb4
        • 2.Re5#
      • 1...d2!
  • Keys
    • 1.Rd7!
      • threat
        • 2.Re7#
      • 1...Qxf4+
        • 2.Rxf4#
      • 1...Kxf5
        • 2.Re7#
      • 1...Sxe3
        • 2.Sxg3#
      • 1...Sxd4
        • 2.Rxd4#
      • 1...Sxf5
        • 2.Qxa8#
      • 1...d2
        • 2.Qxc2#
      • 1...Bd5
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 5
  • Sets
    • Q(f);CHECK,OGATE,P_SPINQ(f),XP(F)::R1(G),XQ(f)
    • Q(f);OGATE::R(G)+P(F),XQ(f)
    • R(h);OGATE::R(G)+P(F),XR(h)
    • S(a);OGATE::QAB(C)
    • S(a);OGATE,XP(E)::R1(H),XS(a)
    • S(c);OGATE,XP(I)::B(K),XS(c)
  • Tries
    • Try
      • R(H);
      • Threat
        • DUALS(2)
      • Vars
        • Q(f);CHECK,OGATE,P_SPINQ(f),XP(F)::R1(G),XQ(f)
        • S(a);OGATE,XP(E)::R1(H),XS(a)
        • S(c);XS(A)::R(H)
        • S(c);XP(I)::QAB(C),XB(i)
        • P(b);OGATEB::QAB(C),XS(a)
        • Q(f);::QAB(C),XB(i)
        • R(h);::QAB(C),XB(i)
        • B(i);N_GUARD::QAB1(C),XB(i)
        • B(i);::R(H)
      • Refutation
        • B(i);
    • Try
      • Q(C);XB(i)
      • Threat
        • DUALS(6)
      • Vars
        • S(c);XS(A)::QAB(C)+R(H),DCHECK
        • S(a);::QAB(C)+R(H),DCHECK
      • Refutation
        • P(b);
  • Actual
    • R(H);
    • Threat
      • R(H)
    • Vars
      • Q(f);CHECK,OGATE,P_SPINQ(f),XP(F)::R1(G),XQ(f)
      • K(d);S_FLIGHT,XP(I)::B(K)+R(H)
      • S(a);SBLOCK,XB(D)::S(A),XS(c)
      • S(a);OGATE,XP(E)::R1(H),XS(a)
      • S(c);SBLOCK,XP(I)::QAB(C),XB(i)
      • P(b);OGATEB::QAB(C),XS(a)
      • B(i);N_GUARD::QAB1(C),XB(i)
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