MESON Chess Problem Database

Problem Display
PID: 121136 (1Q2B3/3N4/1p3p2/1Rnk1p2/5P2/4P3/1P3K2/8 w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

Source?, 0000

1Q2B3/3N4/1p3p2/1Rnk1p2/5P2/4P3/1P3K2/8

#2

8 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sxf6+?
      • 1...Ke6
        • 2.Qe5#
      • 1...Kc4!
    • 1.Qd6+?
      • 1...Kc4
        • 2.Sxb6#
      • 1...Ke4
        • 2.Sxf6#
        • 2.Rb4#
        • 2.Qd4#
      • 1...Kxd6!
  • Keys
    • 1.Qd8!
      • 1...Kc4
        • 2.Sxb6#
      • 1...Ke4
        • 2.Sxf6#
      • 1...Kc6
        • 2.Sxc5#
      • 1...Kd6
        • 2.Sxc5#
      • 1...Ke6
        • 2.Sf8#

This is a version of 44644

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);CHECK,XP(e)
      • Vars
        • K(b);N_SPINS(a),S_FLIGHT::QAR1(G)
      • Refutation
        • K(b);N_SPINS(a),S_FLIGHT
    • Try
      • Q(G);CHECK
      • Vars
        • K(b);N_SPINS(a),S_FLIGHT::S(F),XP(d)
      • Refutation
        • K(b);N_SPINS(a),P-FLIGHT,XQ(G)
  • Actual
    • Q(G);
    • Vars
      • K(b);N_SPINS(a),S_FLIGHT::S(F),XP(d)
      • K(b);N_SPINS(a),S_FLIGHT::S(F),XP(e)
      • K(b);N_SPINS(a),S_FLIGHT::B(H)+S(F),XS(a)
      • K(b);N_SPINS(a),P-FLIGHT::QAR(G)+S(F),XS(a)
      • K(b);N_SPINS(a),S_FLIGHT::S(F)
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