MESON Chess Problem Database

Problem Display
PID: 151906 (8/pN6/P3N3/1k6/6Q1/3R4/1K6/8 w - - 0 1)

Finlayson, William

Hampstead and Highgate Express, 1897

(First published on Sat Oct 9 1897)

8/pN6/P3N3/1k6/6Q1/3R4/1K6/8

#2

6 + 2

14867 BCPS Library 2014
14868 Pirnie Collection 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Rb3+?
      • 1...Kxa6
        • 2.Sec5#
        • 2.Sc7#
        • 2.Qe2#
        • 2.Qa4#
        • 2.Qc4#
      • 1...Kc6!
    • 1.Qf5+?
      • 1...Ka4
        • 2.Rd4#
        • 2.Qa5#
      • 1...Kb4
        • 2.Rd4#
      • 1...Kc4
        • 2.Rd4#
      • 1...Kb6
        • 2.Rd6#
      • 1...Kc6
        • 2.Rd6#
        • 2.Qc5#
      • 1...Kxa6!
    • 1.Qh5+?
      • 1...Ka4
        • 2.Rd4#
        • 2.Qa5#
      • 1...Kb4
        • 2.Rd4#
      • 1...Kc4
        • 2.Rd4#
      • 1...Kb6
        • 2.Rd6#
      • 1...Kc6
        • 2.Rd6#
        • 2.Qc5#
      • 1...Kxa6!
    • 1.Qa4+?
      • 1...Kb6
        • 2.Rb3#
        • 2.Rd6#
      • 1...Kxa4!
    • 1.Qb4+?
      • 1...Kxa6
        • 2.Sec5#
        • 2.Sc7#
        • 2.Sbc5#
        • 2.Ra3#
        • 2.Rd6#
      • 1...Kc6
        • 2.Sa5#
        • 2.Sbd8#
        • 2.Rd6#
        • 2.Qc5#
      • 1...Kxb4!
    • 1.Qc4+?
      • 1...Kb6
        • 2.Rb3#
        • 2.Rd6#
      • 1...Kxc4!
    • 1.Qd4?
      • 1...Kc6
        • 2.Qc5#
      • 1...Kxa6!
    • 1.Qe4?
      • 1...Kxa6
        • 2.Qc6#
      • 1...Kb6!
    • 1.Qg5+?
      • 1...Ka4
        • 2.Rd4#
        • 2.Qa5#
      • 1...Kb4
        • 2.Rd4#
      • 1...Kc4
        • 2.Rd4#
      • 1...Kb6
        • 2.Rd6#
      • 1...Kc6
        • 2.Rd6#
        • 2.Qc5#
      • 1...Kxa6!
  • Keys
    • 1.Qe2!
      • 1...Ka4
        • 2.Rd4#
      • 1...Kb4
        • 2.Rd4#
      • 1...Kc4
        • 2.Rd4#
      • 1...Kxa6
        • 2.Rb3#
      • 1...Kb6
        • 2.Rd6#
      • 1...Kc6
        • 2.Rd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);P-FLIGHT::R(B)
        • K(a);S_FLIGHT::R1(B)
      • Refutation
        • K(a);S_FLIGHT,XP(D)
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);P-FLIGHT::R(B)
        • K(a);S_FLIGHT::R1(B)
      • Refutation
        • K(a);S_FLIGHT,XP(D)
    • Try
      • Q(C);CHECK
      • Refutation
        • K(a);S_FLIGHT,XQ(C)
    • Try
      • Q(C);CHECK
      • Refutation
        • K(a);P-FLIGHT,XQ(C)
    • Try
      • Q(C);CHECK
      • Refutation
        • K(a);S_FLIGHT,XQ(C)
    • Try
      • Q(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT,XP(D)
    • Try
      • Q(C);
      • Vars
        • K(a);S_FLIGHT,XP(D)::QAR2(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);P-FLIGHT::R(B)
        • K(a);S_FLIGHT::R1(B)
      • Refutation
        • K(a);S_FLIGHT,XP(D)
  • Actual
    • Q(C);
    • Vars
      • K(a);S_FLIGHT::R(B)
      • K(a);P-FLIGHT::R(B)
      • K(a);S_FLIGHT::QAB(C)+R(B),DCHECK
      • K(a);S_FLIGHT,XP(D)::QAB(C)+R(B)
      • K(a);S_FLIGHT::R1(B)
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