MESON Chess Problem Database

Problem Display
PID: 58032 (8/B3K2n/1R6/5kpp/7P/1ppP1PP1/1p5Q/1B6 w - - 0 1)

Slater, George James

British Chess Magazine, 1884

8/B3K2n/1R6/5kpp/7P/1ppP1PP1/1p5Q/1B6

#2

9 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Rb5#
  • Tries
    • 1.Qg1?
      • threat
        • 2.Qc5#
      • 1...Ke5
        • 2.Rb5#
        • 2.Qc5#
      • 1...Sf6!
    • 1.Qe2?
      • threat
        • 2.Qe4#
        • 2.Qe6#
      • 1...Sf6
        • 2.Rxf6#
      • 1...Sf8
        • 2.Rf6#
        • 2.Qe4#
      • 1...gxh4!
    • 1.Qf2?
      • threat
        • 2.Qc5#
      • 1...Ke5
        • 2.Rb5#
        • 2.Qc5#
      • 1...Sf6!
    • 1.Qh3+?
      • 1...Ke5
        • 2.Rb5#
      • 1...g4!
  • Keys
    • 1.Qd2!
      • 1...Ke5
        • 2.Rb5#
      • 1...cxd2
        • 2.d4#
      • 1...gxh4
        • 2.Qf4#
      • 1...Sf6
        • 2.Qxg5#
      • 1...Sf8
        • 2.Qxg5#
      • 1...c2
        • 2.Qa5#
      • 1...g4
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • K(d);P-FLIGHT::R(G)
  • Tries
    • Try
      • Q(B);
      • Threat
        • QAR(B)
      • Refutation
        • S(g);
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • S(g);N_GUARD::R1(G),XS(g)
      • Refutation
        • P(e);XP(F)
    • Try
      • Q(B);
      • Threat
        • QAR(B)
      • Refutation
        • S(g);
    • Try
      • Q(B);CHECK
      • Vars
        • K(d);P-FLIGHT::R(G)
      • Refutation
        • P(e);P_SPINP(e)
  • Actual
    • Q(B);
    • Vars
      • K(d);P-FLIGHT::R(G)
      • P(c);N_GUARD,XQ(B)::B(A)+P(C)
      • P(e);N_GUARD,XP(F)::QAR1(B)
      • S(g);N_GUARD::QAR1(B),XP(e)
      • P(c);OGATE::QAR(B)
      • P(e);N_GUARD::QAR1(B)
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