MESON Chess Problem Database

Problem Display
PID: 214808 (8/5p2/3b4/2PkP3/B5Q1/3K4/8/8 w - - 0 1)

Hawkins, Xenophon

St. Louis Globe Democrat, 1877

8/5p2/3b4/2PkP3/B5Q1/3K4/8/8

#2

5 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc5
      • 2.Qd4#
    • 1...Bxe5
      • 2.Qc4#
  • Tries
    • 1.Qd7?
      • threat
        • 2.Qxd6#
      • 1...Kxc5
        • 2.Qb5#
        • 2.Qxd6#
      • 1...Kxe5!
    • 1.Qe4+?
      • 1...Kxc5
        • 2.Qd4#
      • 1...Ke6!
    • 1.exd6?
      • threat
        • 2.Qf5#
      • 1...Kxc5
        • 2.Qd4#
      • 1...f5
        • 2.Qxf5#
      • 1...Ke5!
  • Keys
    • 1.Bd7!
      • threat
        • 2.Qd4#
      • 1...Kxc5
        • 2.Qd4#
      • 1...Kxe5
        • 2.Qf5#
        • 2.Qd4#
      • 1...Bxc5
        • 2.Qe4#
      • 1...Bxe5
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT,XP(D)::QAB1(C)
    • B(b);SBLOCK,XP(E)::QAB1(C)
  • Tries
    • Try
      • Q(C);P_PINB(b)
      • Threat
        • QAR1(C),XB(b)
      • Refutation
        • K(a);N_SPINB(b),P-FLIGHT,XP(E)
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);P-FLIGHT,XP(D)::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(E);XB(b)
      • Threat
        • QAR2(C)
      • Vars
        • K(a);P-FLIGHT,XP(D)::QAB1(C)
        • P(c);::QAR2(C),XP(c)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • B(B);
    • Threat
      • QAR1(C)
    • Vars
      • K(a);P-FLIGHT,XP(D)::QAB1(C)
      • B(b);SBLOCK,XP(D)::QAB1(C)
      • B(b);SBLOCK,XP(E)::QAB1(C)
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Developed and maintained by Brian Stephenson.
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