MESON Chess Problem Database

Problem Display
PID: 62056 (2B5/8/8/2Rb2K1/1P6/3kp3/1Q6/n5b1 w - - 0 1)

Gold, Samuel

British Chess Magazine, 1887

2B5/8/8/2Rb2K1/1P6/3kp3/1Q6/n5b1

#2

5 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Ba2
      • 2.Bf5#
    • 1...Bb3
      • 2.Bf5#
    • 1...Bc4
      • 2.Bf5#
    • 1...Be4
      • 2.Ba6#
    • 1...Bf7
      • 2.Bf5#
    • 1...Bg8
      • 2.Bf5#
  • Tries
    • 1.Rxd5+?
      • 1...Ke4
        • 2.Qg2#
      • 1...Kc4!
  • Keys
    • 1.Rc4!
      • threat
        • 2.Rd4#
      • 1...Kxc4
        • 2.Ba6#
      • 1...Bxc4
        • 2.Bf5#
      • 1...Sc2
        • 2.Qxc2#
      • 1...e2
        • 2.Qc3#
      • 1...Sb3
        • 2.Qc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 5
  • Sets
    • B(e);N_GUARD::B(E)
    • B(e);N_GUARD,SBLOCK::B(E)
  • Tries
    • Try
      • R(C);CHECK,XB(e)
      • Vars
        • K(c);S_FLIGHT::QAB(A)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • R(C);
    • Threat
      • R1(C)
    • Vars
      • K(c);OGATEB,S_FLIGHT,XR(C)::B(E)
      • B(e);N_GUARD,SBLOCK,XR(C)::B(E)
      • S(a);N_GUARD::QAB1(A),XS(a)
      • P(d);SBLOCK::QAR1(A)
      • S(a);N_GUARD::QAB1(A)
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