MESON Chess Problem Database

Problem Display
PID: 11480 (8/p1Np3r/K3P3/1pk1B1N1/1b2Q3/1P1p4/8/7b w - - 0 1)

Dixon, Hugh F

Chess, 1939

8/p1Np3r/K3P3/1pk1B1N1/1b2Q3/1P1p4/8/7b

#2

7 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...dxe6
      • 2.Sgxe6#
      • 2.Scxe6#
    • 1...d6
      • 2.Bd4#
  • Tries
    • 1.Qxd3?
      • threat
        • 2.Qxb5#
        • 2.Qd6#
      • 1...Kc6
        • 2.Qxb5#
      • 1...Bd5
        • 2.Qxb5#
        • 2.Qxd5#
      • 1...Bc6
        • 2.Bd6#
        • 2.Qe3#
        • 2.Qd4#
        • 2.Qd6#
      • 1...d5
        • 2.Qxb5#
      • 1...d6
        • 2.Qxb5#
        • 2.Qxd6#
      • 1...Bb7+!
    • 1.Qb7?
      • threat
        • 2.Qxb5#
      • 1...Bc6
        • 2.Qxa7#
      • 1...Bxb7+!
    • 1.Qxb4+?
      • 1...Kc6
        • 2.Qc3#
        • 2.Qd6#
        • 2.Qxb5#
      • 1...Kxb4!
  • Keys
    • 1.Kb7!
      • threat
        • 2.Sa6#
      • 1...Bxe4+
        • 2.Sxe4#
      • 1...dxe6
        • 2.Sxe6#
      • 1...a6
        • 2.Sxa6#
      • 1...d5
        • 2.Qd4#
      • 1...d6
        • 2.Bd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • P(g);SBLOCK::B(C)
  • Tries
    • Try
      • Q(B);XP(b)
      • Threat
        • DUALS(2)
      • Vars
        • K(e);P-FLIGHT::QAB1(B),XP(d)
        • P(g);::QAR1(B),XP(d)
      • Refutation
        • B(a);CHECK
    • Try
      • Q(B);
      • Threat
        • QAR1(B),XP(d)
      • Vars
        • B(a);SBLOCK::QAB(B),XP(f)
      • Refutation
        • B(a);CHECK,XQ(B)
    • Try
      • Q(B);CHECK,XB(c)
      • Refutation
        • K(e);S_FLIGHT,XQ(B)
  • Actual
    • K(E);P_SPINQ(B),S_FLIGHT
    • Threat
      • S(G)
    • Vars
      • B(a);CHECK,XQ(B)::S(D),XB(a)
      • P(g);P_PINS(G),XP(F)::S(D),XP(g)
      • P(f);::S(G),XP(f)
      • P(g);N_PINQ(B),P_PINS(G)::QAB1(B)
      • P(g);P_PINS(G),SBLOCK::B(C)
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Developed and maintained by Brian Stephenson.
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