MESON Chess Problem Database

Problem Display
PID: 2100 (b7/8/8/n3Q1pn/8/3P3B/4N2p/5K1k w - - 0 1)

Brown, Theodore Morris

Source?, 0000

b7/8/8/n3Q1pn/8/3P3B/4N2p/5K1k

#2

5 + 6

1679 American Chess Nuts 1868

SOLUTION

  • SOUND
  • Sets
    • 1...Bg2+
      • 2.Bxg2#
    • 1...Be4
      • 2.Qxe4#
    • 1...Bd5
      • 2.Qxd5#
    • 1...Sc6
      • 2.Bg2#
      • 2.Qe4#
      • 2.Qd5#
    • 1...Sb7
      • 2.Bg2#
      • 2.Qe4#
      • 2.Qd5#
    • 1...Sg3+
      • 2.Sxg3#
    • 1...Sf4
      • 2.Sg3#
    • 1...Sf6
      • 2.Sg3#
    • 1...Sg7
      • 2.Sg3#
  • Tries
    • 1.Kf2?
      • threat
        • 2.Qa1#
      • 1...Bg2
        • 2.Bxg2#
      • 1...Sg3
        • 2.Sxg3#
      • 1...Sb3!
  • Keys
    • 1.Qa1!
      • threat
        • 2.Kf2#
      • 1...Bg2+
        • 2.Bxg2#
      • 1...Sg3+
        • 2.Sxg3#
      • 1...Sb3
        • 2.Qxa8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • B(f);CHECK,N_GUARD::B(D),XB(f)
    • B(f);N_GUARD::QAB(E),XB(f)
    • S(e);CHECK,N_GUARD::S(B),XS(e)
    • S(e);N_GUARD::S(B)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Threat
        • QAB1(E)
      • Vars
        • B(f);N_GUARD::B(D),XB(f)
        • S(e);N_GUARD::S(B),XS(e)
      • Refutation
        • S(c);
  • Actual
    • Q(E);
    • Threat
      • QAR(E)+K(A)
    • Vars
      • B(f);CHECK,N_GUARD::B(D),XB(f)
      • S(e);CHECK,N_GUARD::S(B),XS(e)
      • S(c);OGATE::QAB(E),XB(f)
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Developed and maintained by Brian Stephenson.
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