MESON Chess Problem Database

Problem Display
PID: 74427 (1BB3b1/4K1n1/5R2/2pN1Ppp/3pN1kp/2q1rn2/6P1/4Q3 w - - 0 1)

Gamage, Frederick

2nd Prize, BCF 039. Ty., 1941-1942

1BB3b1/4K1n1/5R2/2pN1Ppp/3pN1kp/2q1rn2/6P1/4Q3

#2

9 + 11

5397 Frederick Gamage (Prcic) 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Rd3
      • 2.Sf2#
    • 1...Rxe4+
      • 2.Qxe4#
    • 1...Be6
      • 2.Sf2#
    • 1...Sxf5+
      • 2.Bxf5#
    • 1...Se6
      • 2.Sf2#
    • 1...d3
      • 2.Sxe3#
    • 1...h3
      • 2.Qg3#
  • Keys
    • 1.Rf7!
      • threat
        • 2.Sf6#
      • 1...Rxe4+
        • 2.Qxe4#
      • 1...Sxf5+
        • 2.Bxf5#
      • 1...Se5
        • 2.Sef6#
      • 1...Se6
        • 2.Sf2#
      • 1...Se8
        • 2.f6#
      • 1...d3
        • 2.Sxe3#

This is a version of 43214

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • R(b);N_PINS(C)::S(C)
    • R(b);CHECK,OGATE,XS(C)::QAR2(A),XR(b)
    • B(k);N_PINS(C)::S(C)
    • S(j);CHECK,OGATE,P_SPINS(j),XP(E)::B(I),XS(j)
    • S(j);N_PINS(C)::S(C)
    • P(d);N_GUARD,S_CUTQ(a)::S(D),XR(b)
    • P(f);N_GUARD::QAR1(A)
  • Actual
    • R(F);
    • Threat
      • S(D)
    • Vars
      • R(b);CHECK,OGATE,XS(C)::QAR2(A),XR(b)
      • S(j);CHECK,OGATE,P_SPINS(j),XP(E)::B(I),XS(j)
      • S(c);N_PINS(C)::S(C)
      • S(j);N_PINS(C)::S(C)
      • S(j);N_GUARD::B(I)+P(E)
      • P(d);N_GUARD,S_CUTQ(a)::S(D),XR(b)
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