MESON Chess Problem Database

Problem Display
PID: 44315 (2n1Q3/2p5/2PNPr1p/R1Pk1P1R/2p5/1NP2K2/8/B7 w - - 0 1)

Kipping, Cyril Stanley

Manchester City News, 1913

2n1Q3/2p5/2PNPr1p/R1Pk1P1R/2p5/1NP2K2/8/B7

#2

12 + 6

4792 300 Chess Problems 1916

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf5+
      • 2.Rxf5#
    • 1...Rxe6
      • 2.fxe6#
    • 1...Rg6
      • 2.fxg6#
    • 1...Rf7
      • 2.f6#
    • 1...Rf8
      • 2.f6#
    • 1...cxb3
      • 2.c4#
  • Tries
    • 1.Sf7?
      • 1...Rxf5+
        • 2.Rxf5#
      • 1...Rxe6
        • 2.Qxe6#
        • 2.fxe6#
      • 1...Rxf7
        • 2.f6#
      • 1...Rg6
        • 2.fxg6#
      • 1...Sb6
        • 2.cxb6#
      • 1...Sd6
        • 2.cxd6#
      • 1...Sa7
        • 2.Qd7#
      • 1...Se7
        • 2.Qd7#
      • 1...cxb3!
  • Keys
    • 1.Qd7!
      • 1...Rxf5+
        • 2.Rxf5#
      • 1...Ke5
        • 2.Sxc4#
      • 1...Rxe6
        • 2.fxe6#
      • 1...Sxd6
        • 2.cxd6#
      • 1...cxb3
        • 2.c4#
      • 1...cxd6
        • 2.cxd6#
      • 1...Rg6
        • 2.fxg6#
      • 1...Rf7
        • 2.f6#
      • 1...Rf8
        • 2.f6#
      • 1...Sb6
        • 2.cxb6#
      • 1...Sa7
        • 2.Sf7#
      • 1...Se7
        • 2.Sf7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • R(c);CHECK,OGATE,P_SPINR(c),XP(G)::R(H),XR(c)
    • R(c);N_PINP(G),XP(K)::R(H)+P(G),XR(c)
    • R(c);N_PINP(G)::R(H)+P(G),XR(c)
    • R(c);::R(H)+P(G)
    • P(a);OGATE,XS(B)::P(C)
  • Tries
    • Try
      • S(J);
      • Vars
        • R(c);CHECK,OGATE,P_SPINR(c),XP(G)::R(H),XR(c)
        • R(c);XS(J)::R(H)+P(G)
        • R(c);N_PINP(G)::R(H)+P(G),XR(c)
        • S(f);OGATE::R(E)+P(F),XS(f)
        • S(f);N_GUARD::QAR2(L)
      • Refutation
        • P(a);XS(B)
  • Actual
    • Q(L);
    • Vars
      • R(c);CHECK,OGATE,P_SPINR(c),XP(G)::R(H),XR(c)
      • K(b);P-FLIGHT::S(J),XP(a)
      • R(c);N_PINP(G),XP(K)::R(H)+P(G),XR(c)
      • S(f);OGATE,P_SPINS(f),XS(J)::R(E)+P(F),XS(f)
      • P(a);OGATE,XS(B)::P(C)
      • P(e);OGATE,P_SPINP(e),XS(J)::R(E)+P(F),XP(e)
      • R(c);N_PINP(G)::R(H)+P(G),XR(c)
      • R(c);::R(H)+P(G)
      • S(f);OGATE::R(E)+P(F),XS(f)
      • S(f);N_GUARD::QAR(L)+S(J)
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