MESON Chess Problem Database

Problem Display
PID: 230808 (8/n1R3nr/2p2p1p/2B1k2P/2K1p1P1/8/4P3/1Q6 w - - 0 1)

Holt, Locke

Preston Guardian, 1882

(First published on Wed Mar 1 1882)

8/n1R3nr/2p2p1p/2B1k2P/2K1p1P1/8/4P3/1Q6

#2

7 + 8

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.Re7#
      • 2.Qxe4#
  • Tries
    • 1.Re7+?
      • 1...Se6
        • 2.Qb8#
      • 1...Kf4!
    • 1.Qa1+?
      • 1...Ke6
        • 2.Re7#
      • 1...Kf4!
    • 1.Qb2+?
      • 1...Ke6
        • 2.Re7#
      • 1...Kf4!
  • Keys
    • 1.Qb8!
      • threat
        • 2.Rxc6#
        • 2.Re7#
      • 1...Kf4
        • 2.Rxg7#
      • 1...Ke6
        • 2.Re7#
      • 1...Sxh5
        • 2.Re7#
      • 1...e3
        • 2.Re7#
      • 1...f5
        • 2.Rxc6#
      • 1...Rh8
        • 2.Re7#
      • 1...Sb5
        • 2.Re7#
      • 1...Sc8
        • 2.Re7#
      • 1...Sf5
        • 2.Re7#
      • 1...Se6
        • 2.Re7#
      • 1...Se8
        • 2.Re7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(G);CHECK
      • Vars
        • S(g);P_SPINS(g)::QAB(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);P-FLIGHT::R1(G)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);P-FLIGHT::R1(G)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(A);
    • Threat
      • DUALS(2)
    • Vars
      • K(b);S_FLIGHT::QAB(A)+R(G),XS(g)
      • K(b);P-FLIGHT::R1(G)
      • S(g);XP(F)::QAB(A)+R(G),DCHECK
      • P(a);::QAB(A)+R(G),DCHECK
      • P(d);::QAB(A)+R(G),XP(c)
      • R(h);::QAB(A)+R(G),DCHECK
      • S(f);::QAB(A)+R(G),DCHECK
      • S(g);::QAB(A)+R(G),DCHECK
      • S(g);::QAB(A)+R(G)
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