MESON Chess Problem Database

Problem Display
PID: 64719 (6B1/B2p4/2pNn3/p7/1k3p2/2p2P2/2p2K2/Q1N5 w - - 0 1)

Evans, DO

Chess Amateur (The), 1910

6B1/B2p4/2pNn3/p7/1k3p2/2p2P2/2p2K2/Q1N5

#2

7 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Sd4
      • 2.Sd3#
    • 1...Sg5
      • 2.Sd3#
    • 1...Sc7
      • 2.Sd3#
    • 1...Sg7
      • 2.Sd3#
    • 1...Sd8
      • 2.Sd3#
    • 1...Sf8
      • 2.Sd3#
  • Tries
    • 1.Qb2+?
      • 1...Ka4
        • 2.Qb3#
      • 1...cxb2!
    • 1.Qxc3+?
      • 1...Ka4
        • 2.Qb3#
      • 1...Kxc3!
  • Keys
    • 1.Bd4!
      • 1...Sxd4
        • 2.Sd3#
      • 1...a4
        • 2.Qxc3#
      • 1...Sc5
        • 2.Bxc3#
      • 1...Sg5
        • 2.Sd3#
      • 1...Sc7
        • 2.Sd3#
      • 1...Sg7
        • 2.Sd3#
      • 1...Sd8
        • 2.Sd3#
      • 1...Sf8
        • 2.Sd3#
      • 1...c5
        • 2.Bxc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(g);::S(B)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);P-FLIGHT::QAB1(A)
      • Refutation
        • P(b);XQ(A)
    • Try
      • Q(A);CHECK,XP(b)
      • Vars
        • K(c);P-FLIGHT::QAB1(A)
      • Refutation
        • K(c);S_FLIGHT,XQ(A)
  • Actual
    • B(F);
    • Vars
      • S(g);XB(F)::S(B)
      • P(e);SBLOCK::QAB1(A),XP(b)
      • S(g);SBLOCK::B(F),XP(b)
      • S(g);::S(B)
      • P(f);SBLOCK::B(F),XP(b)
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Developed and maintained by Brian Stephenson.
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