MESON Chess Problem Database

Problem Display
PID: 175760 (1Bb4K/1pR5/5P2/1p2k1P1/1p6/4N3/B1P1R1P1/b1Q5 w - - 0 1)

Gold, Samuel

American Chess Magazine, 1898

1Bb4K/1pR5/5P2/1p2k1P1/1p6/4N3/B1P1R1P1/b1Q5

#2

11 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bd4
      • 2.Re7#
    • 1...Be6
      • 2.Rc4#
  • Tries
    • 1.Rc5+?
      • 1...Ke4
        • 2.Sf5#
      • 1...Kd4!
    • 1.Rxc8+?
      • 1...Kd4
        • 2.Sf5#
      • 1...Ke4!
  • Keys
    • 1.Be6!
      • threat
        • 2.Sf5#
      • 1...Kd4
        • 2.Sf5#
      • 1...Ke4
        • 2.Sf5#
      • 1...Kf4
        • 2.Sf1#
      • 1...Kd6
        • 2.Sf5#
      • 1...Kxe6
        • 2.Re7#
      • 1...Bxe6
        • 2.Rc4#
      • 1...Bd4
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • B(a);SBLOCK::B(J)+R(I),DCHECK
    • B(f);SBLOCK::B(J)+R(I)
  • Tries
    • Try
      • R(I);CHECK
      • Vars
        • K(d);P-FLIGHT,P_PINP(H)::R(D)+S(F)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • R(I);CHECK,XB(f)
      • Vars
        • K(d);S_FLIGHT::S(F)
      • Refutation
        • K(d);P-FLIGHT,P_PINP(H)
  • Actual
    • B(B);
    • Threat
      • R(D)+S(F)
    • Vars
      • K(d);S_FLIGHT::S(F)
      • K(d);P-FLIGHT,P_PINP(H)::R(D)+S(F)
      • K(d);P_PINP(H),S_FLIGHT::QAB(A)+S(F)
      • K(d);P_PINP(H),S_FLIGHT::S(F)
      • K(d);P-FLIGHT,P_PINP(H),XB(B)::R1(I)
      • B(f);SBLOCK,XB(B)::B(J)+R(I)
      • B(a);SBLOCK::R(D)+S(F),DCHECK
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