MESON Chess Problem Database

Problem Display
PID: 20974 (b6K/2pp2Rp/2pk4/4R3/2r5/8/q1n4Q/b5B1 w - - 0 1)

Gamage, Frederick

1st Prize, Tidskrift for Schack, 1914

b6K/2pp2Rp/2pk4/4R3/2r5/8/q1n4Q/b5B1

#2

5 + 10

3360 Simple Two-move Themes 1924
5501 Chess Cameos 1936
5064 100 Years of the American Two-move Chess Problem 1962
5063 Spectacular Chess Problems 1965
3174 The Two-move Chess Problem Tradition and Development 1966
5397 Frederick Gamage (Prcic) 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Ra4
      • 2.Bc5#
    • 1...Rb4
      • 2.Bc5#
    • 1...Re4
      • 2.Bc5#
    • 1...Rg4
      • 2.Bc5#
    • 1...Rh4
      • 2.Bc5#
    • 1...Rc5
      • 2.Bxc5#
    • 1...h5
      • 2.Rg6#
    • 1...h6
      • 2.Rg6#
  • Tries
    • 1.Re4+?
      • 1...Be5
        • 2.Qxe5#
      • 1...Kd5!
  • Keys
    • 1.Rgg5!
      • threat
        • 2.Qh6#
      • 1...Bxe5+
        • 2.Qxe5#
      • 1...Rf4
        • 2.Bc5#
      • 1...Rc3
        • 2.Re3#
      • 1...Ra4
        • 2.Bc5#
      • 1...Rb4
        • 2.Bc5#
      • 1...Rd4
        • 2.Re4#
      • 1...Re4
        • 2.Bc5#
      • 1...Rg4
        • 2.Bc5#
      • 1...Rh4
        • 2.Bc5#
      • 1...Rc5
        • 2.Bxc5#
      • 1...Sd4
        • 2.Re2#
      • 1...h5
        • 2.Rg6#
      • 1...h6
        • 2.Rg6#
        • 2.Qxh6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • R(d);N_GUARD::B(A)
    • R(d);N_GUARD::B(A),XR(d)
    • P(i);N_GUARD::R(D)
  • Tries
    • Try
      • R(C);CHECK,P_SPINR(D)
      • Vars
        • B(a);N_GUARD,P_SPINB(a)::QAB1(B),XB(a)
      • Refutation
        • K(f);P-FLIGHT
  • Actual
    • R(D);P_SPINR(C)
    • Threat
      • QAR(B)
    • Vars
      • B(a);CHECK,OGATE,P_SPINB(a),XR(C)::QAB1(B),XB(a)
      • R(d);N_GUARD::B(A)
      • R(d);N_PINR(C)::QAB(B)+R(C)
      • R(d);N_GUARD::B(A),XR(d)
      • S(c);N_PINR(C)::QAB(B)+R(C)
      • P(i);N_GUARD::R(D)
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