MESON Chess Problem Database

Problem Display
PID: 175192 (8/BP5Q/3P4/1B1NPNP1/4kP2/8/7P/3K4 w - - 0 1)

Hicks, GJ

San Francisco Chronicle, 1902

8/BP5Q/3P4/1B1NPNP1/4kP2/8/7P/3K4

#2

12 + 1

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sg3+?
      • 1...Kxd5
        • 2.Qg8#
        • 2.Qf7#
      • 1...Kf3!
    • 1.Sg7+?
      • 1...Kxd5
        • 2.Qd3#
      • 1...Kf3!
    • 1.Bd3+?
      • 1...Kxd3
        • 2.Sfe3#
      • 1...Kf3
        • 2.Qh3#
      • 1...Kxd5!
    • 1.Bc6?
      • threat
        • 2.Sd4#
        • 2.Sh4#
      • 1...Kd3
        • 2.Sfe3#
      • 1...Kf3!
    • 1.Qg6?
      • 1...Kxd5
        • 2.Se3#
        • 2.Se7#
      • 1...Kf3!
  • Keys
    • 1.Bd7!
      • 1...Kd3
        • 2.Sfe3#
      • 1...Kf3
        • 2.Sh4#
      • 1...Kxd5
        • 2.Se3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(G);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT,XS(E)::QAR2(L)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(D);CHECK
      • Vars
        • K(a);S_FLIGHT,XB(D)::QAB(L)+S(G)
        • K(a);S_FLIGHT::QAR2(L)
      • Refutation
        • K(a);S_FLIGHT,XS(E)
    • Try
      • B(D);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);S_FLIGHT::QAB(L)+S(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(L);
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(D);
    • Vars
      • K(a);S_FLIGHT::QAB(L)+S(G)
      • K(a);S_FLIGHT::S(G)
      • K(a);S_FLIGHT,XS(E)::S(G)
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