MESON Chess Problem Database

Problem Display
PID: 230167 (6n1/7B/3Q2p1/2pP1Nr1/1R1rkN2/6p1/1b1RK3/8 w - - 0 1)

White, James R

Leeds Mercury Weekly Supplement, 1882

(First published on Sat Dec 16 1882)

6n1/7B/3Q2p1/2pP1Nr1/1R1rkN2/6p1/1b1RK3/8

#2

8 + 8

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rh5
      • 2.Sxg3#
  • Tries
    • 1.Sg2?
      • threat
        • 2.Qe6#
      • 1...Kxf5
        • 2.Qe6#
      • 1...Rxb4
        • 2.Qf4#
      • 1...Rc4
        • 2.Qf4#
      • 1...Rxf5!
    • 1.Sh3?
      • threat
        • 2.Qe6#
      • 1...Kxf5
        • 2.Qe6#
      • 1...Rxb4
        • 2.Qf4#
      • 1...Rc4
        • 2.Qf4#
      • 1...Rxf5!
    • 1.Sxg6?
      • threat
        • 2.Qe5#
        • 2.Qe6#
      • 1...Kxf5
        • 2.Qe6#
      • 1...Rxb4
        • 2.Qf4#
      • 1...Rxg6
        • 2.Sxg3#
      • 1...Rc4
        • 2.Qf4#
      • 1...Rxf5!
  • Keys
    • 1.Sh5!
      • threat
        • 2.Qe6#
      • 1...Kxf5
        • 2.Qe6#
      • 1...Rxb4
        • 2.Qf4#
      • 1...Rxf5
        • 2.Sxg3#
      • 1...Rxh5
        • 2.Sxg3#
      • 1...gxh5
        • 2.Sxg3#
      • 1...Rc4
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • R(f);N_GUARD::S(F),XP(b)
  • Tries
    • Try
      • S(D);
      • Threat
        • QAR2(G)
      • Vars
        • K(d);N_SPINR(c),P_SPINP(g),S_FLIGHT,XS(F)::QAB1(G)
        • R(c);N_SPINR(c),XR(C)::QAR1(G)
        • R(c);::QAR1(G)
      • Refutation
        • R(f);XS(F)
    • Try
      • S(D);
      • Threat
        • QAR2(G)
      • Vars
        • K(d);N_SPINR(c),P_SPINP(g),S_FLIGHT,XS(F)::QAB1(G)
        • R(c);N_SPINR(c),XR(C)::QAR1(G)
        • R(c);::QAR1(G)
      • Refutation
        • R(f);XS(F)
    • Try
      • S(D);XP(g)
      • Threat
        • DUALS(2)
      • Vars
        • K(d);N_SPINR(c),S_FLIGHT,XS(F)::QAB1(G)
        • R(c);N_SPINR(c),XR(C)::QAR1(G)
        • R(f);N_GUARD,XS(D)::S(F),XP(b)
        • R(c);::QAR1(G)
      • Refutation
        • R(f);XS(F)
  • Actual
    • S(D);
    • Threat
      • QAR2(G)
    • Vars
      • K(d);N_SPINR(c),P_SPINP(g),S_FLIGHT,XS(F)::QAB1(G)
      • R(c);N_SPINR(c),XR(C)::QAR1(G)
      • R(f);N_GUARD,XS(F)::S(D),XP(b)
      • R(f);N_GUARD,XS(D)::S(F),XP(b)
      • P(g);XS(D)::B(H)+S(F),DCHECK,XP(b)
      • R(c);::QAR1(G)
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