MESON Chess Problem Database

Problem Display
PID: 234605 (1K3k2/5b2/4RPp1/6N1/8/1Q6/8/8 w - - 0 1)

Cooley, FA

St. James' Budget, 1893

(First published on Fri May 26 1893)

1K3k2/5b2/4RPp1/6N1/8/1Q6/8/8

#2

5 + 3

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kg8
      • 2.Re8#
    • 1...Bg8
      • 2.Qa3#
      • 2.Qb4#
  • Tries
    • 1.Re8+?
      • 1...Bxe8
        • 2.Sh7#
      • 1...Kxe8!
    • 1.Qd5?
      • 1...Kg8
        • 2.Re8#
      • 1...Bxe6
        • 2.Qd8#
      • 1...Bg8
        • 2.Qc5#
        • 2.Qd6#
        • 2.Qd8#
      • 1...Be8!
  • Keys
    • 1.Rd6!
      • threat
        • 2.Qxf7#
      • 1...Ke8
        • 2.Qxf7#
      • 1...Kg8
        • 2.Rd8#
      • 1...Bxb3
        • 2.Rd8#
      • 1...Be8
        • 2.Sh7#
      • 1...Bc4
        • 2.Rd8#
      • 1...Bd5
        • 2.Rd8#
      • 1...Be6
        • 2.Rd8#
      • 1...Bg8
        • 2.Rd8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • K(c);P-FLIGHT::R(C)
  • Tries
    • Try
      • R(C);CHECK
      • Vars
        • B(b);SBLOCK,XR(C)::S(B)
      • Refutation
        • K(c);P-FLIGHT,XR(C)
    • Try
      • Q(A);
      • Vars
        • K(c);P-FLIGHT::R(C)
        • B(b);N_GUARD,XR(C)::QAR2(A)
      • Refutation
        • B(b);
  • Actual
    • R(C);
    • Threat
      • QAR1(A),XB(b)
    • Vars
      • K(c);P-FLIGHT::QAB1(A),XB(b)
      • K(c);P-FLIGHT,P_SPINB(b)::R(C)
      • B(b);N_GUARD,XQ(A)::R(C)
      • B(b);SBLOCK::S(B)
      • B(b);N_GUARD::R(C)
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