MESON Chess Problem Database

Problem Display
PID: 2234 (8/2n5/5B1b/K1p5/2RpN3/3pk2P/6Q1/8 w - - 0 1)

Cook, Eugene Beauharnais

Daily Evening Bulletin (Philadelphia), 1860

(First published on Sat Feb 25 1860)

8/2n5/5B1b/K1p5/2RpN3/3pk2P/6Q1/8

#2

6 + 6

1679 American Chess Nuts 1868

SOLUTION

  • SOUND
  • Sets
    • 1...Bg5
      • 2.Bxg5#
    • 1...Bg7
      • 2.Bg5#
    • 1...Bf8
      • 2.Bg5#
  • Tries
    • 1.Bxd4+?
      • 1...Kf4
        • 2.Qg4#
      • 1...cxd4!
    • 1.Rxd4?
      • threat
        • 2.Qf2#
      • 1...Kf4
        • 2.Qf2#
      • 1...cxd4!
  • Keys
    • 1.Sc3!
      • 1...Kf4
        • 2.Qf2#
      • 1...dxc3
        • 2.Re4#
      • 1...d2
        • 2.Qg3#
      • 1...Bf4
        • 2.Sd1#
      • 1...Bg5
        • 2.Bxg5#
      • 1...Bg7
        • 2.Bg5#
      • 1...Bf8
        • 2.Bg5#
      • 1...Sb5
        • 2.Sd5#
      • 1...Sd5
        • 2.Sxd5#
      • 1...Sa6
        • 2.Sd5#
      • 1...Se6
        • 2.Sd5#
      • 1...Sa8
        • 2.Sd5#
      • 1...Se8
        • 2.Sd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • B(e);N_GUARD::B(F),XB(e)
    • B(e);N_GUARD::B(F)
  • Tries
    • Try
      • B(F);CHECK,XP(c)
      • Vars
        • K(b);S_FLIGHT::QAR1(A)
      • Refutation
        • P(d);XB(F)
    • Try
      • R(C);XP(c)
      • Threat
        • QAB1(A)
      • Vars
        • K(b);S_FLIGHT::QAR2(A)
      • Refutation
        • P(d);XR(C)
  • Actual
    • S(D);
    • Vars
      • K(b);P_SPINP(c),S_FLIGHT::QAR2(A)
      • P(c);OGATE,XS(D)::R1(C)
      • P(a);SBLOCK::QAR2(A)
      • B(e);SBLOCK::S(D)
      • B(e);N_GUARD::B(F),XB(e)
      • B(e);N_GUARD::B(F)
      • S(f);N_GUARD::S(D)
      • S(f);N_GUARD::S(D),XS(f)
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