MESON Chess Problem Database

Problem Display
PID: 16624 (4K3/8/b1pR2p1/R1n1nk2/7P/q7/B1P2N1B/bQ6 w - - 0 1)

Gamage, Frederick

1st Prize, American Chess Bulletin, 1942

4K3/8/b1pR2p1/R1n1nk2/7P/q7/B1P2N1B/bQ6

#2

9 + 8

56 The Problemist 1943
5088 How to Solve Chess Problems 1945
5397 Frederick Gamage (Prcic) 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Sb3
      • 2.c4#
    • 1...Sc4
      • 2.c3#
  • Keys
    • 1.Ke7!
      • threat
        • 2.Rf6#
      • 1...Sb3
        • 2.c4#
      • 1...Scd3
        • 2.Be6#
      • 1...Sa4
        • 2.Be6#
      • 1...Se4
        • 2.Be6#
      • 1...Se6
        • 2.Bxe6#
      • 1...Sb7
        • 2.Be6#
      • 1...Scd7
        • 2.Be6#
      • 1...Sed3
        • 2.Be6#
      • 1...Sf3
        • 2.Be6#
      • 1...Sc4
        • 2.c3#
      • 1...Sg4
        • 2.Be6#
      • 1...Sed7
        • 2.Be6#
      • 1...Sf7
        • 2.Be6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
    • S(c);N_GUARD,P_SPINS(d),S_CUTQ(b)::QAB(A)+P(C)
    • S(d);N_GUARD,P_SPINS(c),S_CUTB(f)::QAB(A)+P(C)
  • Actual
    • K(I);P-FLIGHT
    • Threat
      • R1(H)
    • Vars
      • S(c);N_GUARD,P_PINR(H),P_SPINS(d),S_CUTQ(b)::QAB(A)+P(C)
      • S(c);N_GUARD,P_PINR(H),P_SPINS(d)::B(B)
      • S(c);N_GUARD,P_PINR(H),P_SPINS(d)::B(B),XS(c)
      • S(d);P_SPINS(c)::B(B)
      • S(d);N_GUARD,P_SPINS(c),S_CUTB(f)::QAB(A)+P(C)
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Developed and maintained by Brian Stephenson.
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