MESON Chess Problem Database

Problem Display
PID: 62903 (8/1Qn2K2/3B4/5kp1/1P4p1/7b/8/6b1 w - - 0 1)

Way, Charles F

Chess, 1944

8/1Qn2K2/3B4/5kp1/1P4p1/7b/8/6b1

#2

4 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Sb5
      • 2.Qd5#
    • 1...Sd5
      • 2.Qxd5#
    • 1...Sa6
      • 2.Qd5#
    • 1...Se6
      • 2.Qd5#
    • 1...Sa8
      • 2.Qd5#
    • 1...Se8
      • 2.Qd5#
    • 1...g3
      • 2.Qf3#
  • Tries
    • 1.Qc8+?
      • 1...Se6
        • 2.Qxe6#
        • 2.Qc2#
      • 1...Ke4!
  • Keys
    • 1.Qh1!
      • 1...Bg2
        • 2.Qh7#
      • 1...g3
        • 2.Qf3#
      • 1...Bh2
        • 2.Qb1#
      • 1...Bf2
        • 2.Qb1#
      • 1...Be3
        • 2.Qb1#
      • 1...Bd4
        • 2.Qb1#
      • 1...Bc5
        • 2.Qb1#
      • 1...Bb6
        • 2.Qb1#
      • 1...Ba7
        • 2.Qb1#
      • 1...Bf1
        • 2.Qh7#
      • 1...Sb5
        • 2.Qd5#
      • 1...Sd5
        • 2.Qxd5#
      • 1...Sa6
        • 2.Qd5#
      • 1...Se6
        • 2.Qd5#
      • 1...Sa8
        • 2.Qd5#
      • 1...Se8
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • S(f);N_GUARD::QAR2(C)
    • S(f);N_GUARD::QAR2(C),XS(f)
    • P(c);N_GUARD::QAR2(C)
  • Tries
    • Try
      • Q(C);CHECK
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • Q(C);
    • Vars
      • B(b);OGATE::QAB(C)
      • P(c);N_GUARD::QAR2(C)
      • B(a);OGATE::QAB(C)
      • S(f);N_GUARD::QAR2(C)
      • S(f);N_GUARD::QAR2(C),XS(f)
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