MESON Chess Problem Database

Problem Display
PID: 76688 (8/8/8/8/B2K4/2Q5/1p6/1k6 w - - 0 1)

Butwillo, Brother

The Tablet, 1944

(First published on Sat Mar 4 1944)

8/8/8/8/B2K4/2Q5/1p6/1k6

#2

3 + 2

15239 Valois Notebooks 2016

SOLUTION

  • SOUND
  • Tries
    • 1.Bc2+?
      • 1...Ka1
        • 2.Qa5#
        • 2.Qa3#
      • 1...Ka2
        • 2.Qa5#
      • 1...Kc1!
    • 1.Qb3?
      • 1...Kc1
        • 2.Qd1#
        • 2.Qc2#
      • 1...Ka1!
  • Keys
    • 1.Qa5!
      • 1...Ka1
        • 2.Bc2#
      • 1...Kc1
        • 2.Qe1#
      • 1...Ka2
        • 2.Bc2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);P_PINP(b)
      • Refutation
        • K(a);N_SPINP(b),P-FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);P-FLIGHT::QAR(A)+B(B)
      • K(a);P-FLIGHT::QAR2(A)
      • K(a);S_FLIGHT::QAR(A)+B(B)
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