MESON Chess Problem Database

Problem Display
PID: 167284 (4Q3/1R3P2/pP1p4/K2k4/6PB/4P3/2P5/8 w - - 0 1)

Meredith, William

2nd Prize, Chess Journal, 1889

4Q3/1R3P2/pP1p4/K2k4/6PB/4P3/2P5/8

#2

9 + 3

15 British Chess Magazine 1912
5454 Near Snap 2018
14868 Pirnie Collection 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Qc6#
  • Tries
    • 1.Kxa6?
      • 1...Kc5
        • 2.Qb5#
      • 1...Kc4!
    • 1.Be1?
      • 1...Kc4
        • 2.Qc6#
      • 1...Kc5!
    • 1.Bf2?
      • 1...Kc4
        • 2.Qc6#
      • 1...Kc5!
    • 1.Bg3?
      • 1...Kc4
        • 2.Qc6#
      • 1...Kc5!
    • 1.Bg5?
      • 1...Kc4
        • 2.Qc6#
      • 1...Kc5!
    • 1.Bf6?
      • 1...Kc4
        • 2.Qc6#
      • 1...Kc5!
    • 1.Bd8?
      • 1...Kc4
        • 2.Qc6#
      • 1...Kc5!
    • 1.Ra7?
      • 1...Kc4
        • 2.Qc6#
      • 1...Kc5!
    • 1.Re7?
      • 1...Kc4
        • 2.Qc6#
      • 1...Kc5!
    • 1.Rb8?
      • 1...Kc4
        • 2.Qc6#
      • 1...Kc5!
    • 1.Qc6+?
      • 1...Ke5
        • 2.Re7#
      • 1...Ke6
        • 2.Re7#
        • 2.Qe4#
      • 1...Kxc6!
    • 1.Qe4+?
      • 1...Kc5
        • 2.Rc7#
      • 1...Kxe4!
    • 1.Qe6+?
      • 1...Kc5
        • 2.Rc7#
      • 1...Kc6
        • 2.Rc7#
      • 1...Kxe6!
    • 1.Qc8?
      • 1...Ke5
        • 2.Qf5#
      • 1...Ke4!
    • 1.c4+?
      • 1...Kc5
        • 2.Rc7#
        • 2.Qc8#
      • 1...Kxc4!
    • 1.g5?
      • 1...Kc4
        • 2.Qc6#
      • 1...Kc5!
    • 1.f8Q?
      • 1...Kc4
        • 2.Qc6#
      • 1...Kc5!
    • 1.f8S?
      • 1...Kc4
        • 2.Qc6#
      • 1...Kc5!
    • 1.f8B?
      • 1...Kc4
        • 2.Qc6#
      • 1...Kc5!
    • 1.f8R?
      • 1...Kc4
        • 2.Qc6#
      • 1...Kc5!
  • Keys
    • 1.Qa8!
      • 1...Kc4
        • 2.Rc7#
      • 1...Ke4
        • 2.Re7#
      • 1...Kc5
        • 2.Rc7#
      • 1...Ke5
        • 2.Re7#
      • 1...Kc6
        • 2.Rc7#
      • 1...Ke6
        • 2.Re7#

This anticipates 31172(1900)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR2(I)
  • Tries
    • Try
      • K(E);P-FLIGHT,XP(b)
      • Vars
        • K(a);P-FLIGHT::QAR1(I)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::QAR2(I)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::QAR2(I)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::QAR2(I)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::QAR2(I)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::QAR2(I)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::QAR2(I)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(G);
      • Vars
        • K(a);S_FLIGHT::QAR2(I)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(G);
      • Vars
        • K(a);S_FLIGHT::QAR2(I)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(G);
      • Vars
        • K(a);S_FLIGHT::QAR2(I)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(I);CHECK
      • Vars
        • K(a);P-FLIGHT::R(G)
      • Refutation
        • K(a);S_FLIGHT,XQ(I)
    • Try
      • Q(I);CHECK
      • Vars
        • K(a);P-FLIGHT::R(G)
      • Refutation
        • K(a);S_FLIGHT,XQ(I)
    • Try
      • Q(I);CHECK
      • Vars
        • K(a);P-FLIGHT::R(G)
        • K(a);P_SPINP(c),S_FLIGHT::R1(G)
      • Refutation
        • K(a);S_FLIGHT,XQ(I)
    • Try
      • Q(I);
      • Vars
        • K(a);P-FLIGHT::QAR1(I)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(A);CHECK
      • Refutation
        • K(a);S_FLIGHT,XP(A)
    • Try
      • P(C);
      • Vars
        • K(a);S_FLIGHT::QAR2(I)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • P(H);
      • Vars
        • K(a);S_FLIGHT::QAR2(I)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(c)
    • Try
      • P(H);
      • Vars
        • K(a);S_FLIGHT::QAR2(I)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • P(H);
      • Vars
        • K(a);S_FLIGHT::QAR2(I)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(c)
    • Try
      • P(H);
      • Vars
        • K(a);S_FLIGHT::QAR2(I)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(I);
    • Vars
      • K(a);S_FLIGHT::R(G)
      • K(a);S_FLIGHT::QAB(I)+R(G),DCHECK
      • K(a);P-FLIGHT::R(G)
      • K(a);S_FLIGHT::R1(G)
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