MESON Chess Problem Database

Problem Display
PID: 158345 (8/8/1K1p1p2/4p3/2p1k1N1/2PN4/2P5/3Q4 w - - 0 1)

Todd, William R

British Chess Magazine 13. Ty., 1906-1907

8/8/1K1p1p2/4p3/2p1k1N1/2PN4/2P5/3Q4

#2

6 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Sc5#
    • 1...f5
      • 2.Qh1#
  • Tries
    • 1.Sgf2+?
      • 1...Kd5
        • 2.Sf4#
        • 2.Sc5#
      • 1...Kf5
        • 2.Qg4#
      • 1...Ke3!
  • Keys
    • 1.Sh2!
      • threat
        • 2.Qf3#
      • 1...Ke3
        • 2.Qe1#
      • 1...Kd5
        • 2.Sc5#
      • 1...Kf5
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(b);S_FLIGHT::QAR(A)+S(D)
    • P(e);SBLOCK::QAB(A)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB1(A)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • S(E);
    • Threat
      • QAB1(A)
    • Vars
      • K(b);P-FLIGHT::QAR2(A)
      • K(b);S_FLIGHT::QAR(A)+S(D)
      • K(b);S_FLIGHT::QAB1(A)
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