MESON Chess Problem Database

Problem Display
PID: 54850 (1BR5/1n5q/p1N1r1b1/P1kPp3/P6r/7p/BR6/K1N4Q w - - 0 1)

Gamage, Frederick

Chess Amateur (The), 1912

1BR5/1n5q/p1N1r1b1/P1kPp3/P6r/7p/BR6/K1N4Q

#2

11 + 9

5397 Frederick Gamage (Prcic) 2004
3389 Belgian Solving Championship 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.Sb3#
    • 1...Re4
      • 2.Sd3#
    • 1...Rh5
      • 2.Qg1#
    • 1...Rh6
      • 2.Qg1#
    • 1...Rd6
      • 2.Ba7#
    • 1...Be4
      • 2.Qg1#
    • 1...e4
      • 2.Rc2#
  • Tries
    • 1.Rc2+?
      • 1...Rc4
        • 2.Sb3#
        • 2.Rxc4#
      • 1...Bxc2!
    • 1.dxe6?
      • threat
        • 2.Qd5#
      • 1...Rc4
        • 2.Sb3#
      • 1...Rd4
        • 2.Se7#
      • 1...Re4
        • 2.Sd3#
      • 1...Be4
        • 2.Qg1#
      • 1...e4
        • 2.Rc2#
      • 1...Qd7!
  • Keys
    • 1.d6!
      • threat
        • 2.Qd5#
      • 1...Rxd6
        • 2.Ba7#
      • 1...Rc4
        • 2.Sb3#
      • 1...Rd4
        • 2.Se7#
      • 1...Re4
        • 2.Sd3#
      • 1...Be4
        • 2.Qg1#
      • 1...e4
        • 2.Rc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • R(b);SBLOCK::S(B)
    • R(b);S_CUTB(g)::S(B)
    • R(b);N_GUARD::QAB(C)
    • R(f);SBLOCK::B(J)
    • B(g);S_CUTR(b)::QAB(C)
    • P(d);S_CUTB(g),S_CUTR(b)::R(E)
  • Tries
    • Try
      • R(E);CHECK
      • Refutation
        • B(g);XR(E)
    • Try
      • P(H);XR(f)
      • Threat
        • QAR1(C)
      • Vars
        • R(b);SBLOCK::S(B)
        • R(b);SBLOCK::R(K)+S(I)
        • R(b);S_CUTB(g)::S(B)
        • B(g);S_CUTR(b)::QAB(C)
        • P(d);S_CUTB(g),S_CUTR(b)::R(E)
      • Refutation
        • Q(i);
  • Actual
    • P(H);
    • Threat
      • QAR1(C)
    • Vars
      • R(f);SBLOCK,XP(H)::B(J)
      • R(b);SBLOCK::S(B)
      • R(b);SBLOCK::R(K)+S(I)
      • R(b);S_CUTB(g)::S(B)
      • B(g);S_CUTR(b)::QAB(C)
      • P(d);S_CUTB(g),S_CUTR(b)::R(E)
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