MESON Chess Problem Database

Problem Display
PID: 251855 (3N1K2/3p1P2/7R/3bkp2/1P6/8/3Q1P2/8 w - - 0 1)

Taverner, Thomas

Manchester Weekly Times, 1889

(First published on Sat Sep 21 1889)

3N1K2/3p1P2/7R/3bkp2/1P6/8/3Q1P2/8

#2

7 + 4

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qe3#
    • 1...Be4
      • 2.Qd6#
      • 2.f4#
  • Tries
    • 1.Qc3+?
      • 1...Ke4
        • 2.Qe3#
      • 1...Kf4!
  • Keys
    • 1.Rd6!
      • 1...Ke4
        • 2.Qe3#
      • 1...Kxd6
        • 2.Qf4#
      • 1...Bxf7
        • 2.Qd4#
      • 1...f4
        • 2.Qxd5#
      • 1...Bh1
        • 2.Qd4#
      • 1...Ba2
        • 2.Qd4#
      • 1...Bg2
        • 2.Qd4#
      • 1...Bb3
        • 2.Qd4#
      • 1...Bf3
        • 2.Qd4#
      • 1...Bc4
        • 2.Qd4#
      • 1...Be4
        • 2.f4#
      • 1...Bc6
        • 2.Qd4#
      • 1...Be6
        • 2.Qd4#
      • 1...Bb7
        • 2.Qd4#
      • 1...Ba8
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 14
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT,S_CUTB(a)::QAR1(A)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);P-FLIGHT,S_CUTB(a)::QAR1(A)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • R(D);
    • Vars
      • K(b);N_GUARD,P-FLIGHT,S_CUTB(a)::QAR1(A)
      • K(b);N_GUARD,P_SPINB(a),S_FLIGHT,XR(D)::QAB(A)
      • B(a);XP(E)::QAB1(A)
      • P(c);SBLOCK::QAR1(A),XB(a)
      • B(a);::QAB1(A)
      • B(a);SBLOCK::P(B)
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