MESON Chess Problem Database

Problem Display
PID: 151482 (Q4K2/2Bb4/2r2P1n/2RN1NR1/2B1k2b/2P3p1/2p3P1/4n3 w - - 0 1)

Guyter, JK

HM., The Referee, 1927

(First published on Sun Jul 10 1927)

Q4K2/2Bb4/2r2P1n/2RN1NR1/2B1k2b/2P3p1/2p3P1/4n3

#2

11 + 8

3713 Snap 2014
15239 Valois Notebooks 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc5
      • 2.Sd6#
    • 1...Rd6
      • 2.Sxd6#
    • 1...Rxf6+
      • 2.Sxf6#
    • 1...Rxc7
      • 2.Sd6#
    • 1...Bxg5
      • 2.Sxg3#
    • 1...Sxf5
      • 2.Rg4#
  • Keys
    • 1.Be2!
      • threat
        • 2.Qa4#
      • 1...Rxf6+
        • 2.Sxf6#
      • 1...Rxc5
        • 2.Sd6#
      • 1...Rxc7
        • 2.Sd6#
      • 1...Bxg5
        • 2.Sxg3#
      • 1...Sxf5
        • 2.Rg4#
      • 1...Rd6
        • 2.Sxd6#
      • 1...Ra6
        • 2.Rc4#
      • 1...Rb6
        • 2.Rc4#
      • 1...Re6
        • 2.Rc4#
      • 1...Sd3
        • 2.Bf3#
      • 1...Sf3
        • 2.gxf3#

Anticipated by 142040(1901)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • R(f);N_GUARD,XR(D)::S(F)
    • R(f);N_GUARD::S(F),XR(f)
    • R(f);CHECK,XP(H)::QAB(J)+S(E),DCHECK,XR(f)
    • R(f);N_GUARD,XB(I)::S(F)
    • B(e);N_GUARD,XR(G)::S(F),XP(c)
    • S(g);N_GUARD,SBLOCK,XS(F)::R(G)
  • Actual
    • B(C);
    • Threat
      • QAR(J)
    • Vars
      • R(f);CHECK,XP(H)::QAB(J)+S(E),DCHECK,XR(f)
      • R(f);N_GUARD,XR(D)::S(F)
      • R(f);N_GUARD,XB(I)::S(F)
      • B(e);N_GUARD,XR(G)::S(F),XP(c)
      • S(g);N_GUARD,SBLOCK,XS(F)::R(G)
      • R(f);N_GUARD::S(F),XR(f)
      • R(f);N_GUARD::R(D)
      • S(a);N_GUARD,SBLOCK::B(C)
      • S(a);OGATE::P(A),XS(a)
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