MESON Chess Problem Database

Problem Display
PID: 208754 (3K1N2/4P3/4p3/4k3/2P1N1P1/8/4p3/4Q3 w - - 0 1)

Thornton, George Howard

Dubuque Chess Journal, 1875

3K1N2/4P3/4p3/4k3/2P1N1P1/8/4p3/4Q3

#2

7 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qxe2?
      • 1...Kf4
        • 2.Sg6#
      • 1...Kd4!
  • Keys
    • 1.Sxe6!
      • 1...Kxe4
        • 2.Qxe2#
      • 1...Kxe6
        • 2.e8Q#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);XP(a)
      • Vars
        • K(b);S_FLIGHT::S(G)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • S(G);XP(c)
    • Vars
      • K(b);OGATEB,P-FLIGHT,P_SPINP(a),XS(C)::QAR2(A),XP(a)
      • K(b);P-FLIGHT,XS(G)::P=Q
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