MESON Chess Problem Database

Problem Display
PID: 143643 (4B1Nn/5rp1/2R1p3/2P2k2/8/4K1Q1/6P1/8 w - - 0 1)

Whalley, Louis

British Chess Magazine, 1896

4B1Nn/5rp1/2R1p3/2P2k2/8/4K1Q1/6P1/8

#2

7 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Rf6
      • 2.Se7#
      • 2.Qf4#
    • 1...Ra7
      • 2.Qf4#
    • 1...Rb7
      • 2.Qf4#
    • 1...Rc7
      • 2.Qf4#
    • 1...Rd7
      • 2.Qf4#
    • 1...Re7
      • 2.Qf4#
    • 1...Rf8
      • 2.Qf4#
    • 1...g6
      • 2.Qf4#
  • Tries
    • 1.Se7+?
      • 1...Rxe7
        • 2.Qf4#
      • 1...Kf6!
    • 1.Qg4+?
      • 1...Ke5
        • 2.Qxe6#
        • 2.Qe4#
      • 1...Kxg4!
  • Keys
    • 1.Qh4!
      • 1...Ke5
        • 2.Qe4#
      • 1...Kg6
        • 2.Se7#
      • 1...Sg6
        • 2.Qh5#
      • 1...Rf6
        • 2.Qf4#
      • 1...Ra7
        • 2.Qf4#
      • 1...Rb7
        • 2.Qf4#
      • 1...Rc7
        • 2.Qf4#
      • 1...Rd7
        • 2.Qf4#
      • 1...Re7
        • 2.Qf4#
      • 1...Rf8
        • 2.Qf4#
      • 1...e5
        • 2.g4#
      • 1...g5
        • 2.Qe4#
      • 1...g6
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • R(c);::QAR1(C)
    • P(d);SBLOCK::QAR1(C)
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • R(c);XS(G)::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(b)
    • Try
      • Q(C);CHECK
      • Refutation
        • K(a);S_FLIGHT,XQ(C)
  • Actual
    • Q(C);
    • Vars
      • K(a);P-FLIGHT::QAR1(C)
      • K(a);P_SPINP(b),P_SPINR(c),S_FLIGHT::S(G)
      • S(e);S_CUTP(d)::QAR2(C)
      • R(c);::QAR1(C)
      • P(b);SBLOCK::P(A)
      • P(d);SBLOCK::QAB1(C)
      • P(d);SBLOCK::QAR1(C)
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