MESON Chess Problem Database

Problem Display
PID: 231822 (8/2p1B3/B1Pp4/1N1P1N2/p1k5/R1n3Q1/4p1b1/4R1K1 w - - 0 1)

Salway, Herbert A

The Field, 1899

(First published on Sat Aug 19 1899)

8/2p1B3/B1Pp4/1N1P1N2/p1k5/R1n3Q1/4p1b1/4R1K1

#2

10 + 7

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kb4
      • 2.Qxc3#
    • 1...Bxd5
      • 2.Qxc3#
  • Tries
    • 1.Sxc7+?
      • 1...Kb4
        • 2.Qxc3#
      • 1...Sb5
        • 2.Qc3#
      • 1...Kc5!
    • 1.Qd3+?
      • 1...Kb4
        • 2.Qxc3#
      • 1...Kc5
        • 2.Qd4#
      • 1...Kxd3!
    • 1.Qe3?
      • threat
        • 2.Qd4#
      • 1...Kb4
        • 2.Qxc3#
      • 1...Kxd5!
  • Keys
    • 1.Qe5!
      • threat
        • 2.Qd4#
      • 1...Kd3
        • 2.Qxe2#
      • 1...Kb4
        • 2.Qxc3#
      • 1...Kc5
        • 2.Qd4#
      • 1...dxe5
        • 2.Sxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • K(e);P-FLIGHT,P_SPINP(f)::QAB1(D),XS(c)
    • B(b);SBLOCK,XP(F)::QAR1(D),XS(c)
  • Tries
    • Try
      • S(E);CHECK,XP(g)
      • Vars
        • K(e);P-FLIGHT,P_SPINP(f)::QAB1(D),XS(c)
        • S(c);P_SPINS(c)::QAR1(D)
      • Refutation
        • K(e);P-FLIGHT,P_SPINP(f)
    • Try
      • Q(D);CHECK
      • Vars
        • K(e);P-FLIGHT,P_SPINP(f)::QAB1(D),XS(c)
        • K(e);P-FLIGHT,P_SPINP(f)::QAB1(D)
      • Refutation
        • K(e);P_SPINS(c),S_FLIGHT,XQ(D)
    • Try
      • Q(D);
      • Threat
        • QAR1(D)
      • Vars
        • K(e);P-FLIGHT,P_SPINP(f)::QAB1(D),XS(c)
      • Refutation
        • K(e);S_FLIGHT,XP(F)
  • Actual
    • Q(D);
    • Threat
      • QAR1(D)
    • Vars
      • K(e);P_SPINS(c),S_FLIGHT::QAB1(D),XP(a)
      • K(e);P-FLIGHT,P_SPINP(f)::QAB1(D),XS(c)
      • K(e);P-FLIGHT,P_SPINP(f)::QAB1(D)
      • P(f);XQ(D)::B(H)+S(E),XS(c)
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