MESON Chess Problem Database

Problem Display
PID: 229647 (4b1B1/K2P1P2/3pR2Q/N2k4/1p3r2/4P3/5r2/8 w - - 0 1)

Slater, George James

Preston Guardian, 1881

(First published on Tue Aug 30 1881)

4b1B1/K2P1P2/3pR2Q/N2k4/1p3r2/4P3/5r2/8

#2

8 + 6

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Re5+?
      • 1...dxe5
        • 2.Qc6#
      • 1...Kxe5!
    • 1.Qxf4?
      • threat
        • 2.Qxd6#
        • 2.Qc4#
      • 1...Kc5
        • 2.Qc4#
      • 1...Kxe6
        • 2.fxe8Q#
      • 1...Rc2
        • 2.Qxd6#
        • 2.Qf5#
      • 1...Rxf4!
    • 1.Qg5+?
      • 1...Kxe6
        • 2.dxe8Q#
        • 2.fxe8Q#
        • 2.f8S#
      • 1...Rf5!
    • 1.f8Q?
      • threat
        • 2.Qxd6#
      • 1...Kc5
        • 2.Re5#
      • 1...Rxf8!
  • Keys
    • 1.Qf8!
      • threat
        • 2.Qxd6#
      • 1...Kc5
        • 2.Re5#
      • 1...Kxe6
        • 2.fxe8Q#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);CHECK
      • Vars
        • P(e);OGATE,SBLOCK,XR(C)::QAB1(D)
      • Refutation
        • K(d);P-FLIGHT,XR(C)
    • Try
      • Q(D);XR(c)
      • Threat
        • DUALS(2)
      • Vars
        • K(d);P-FLIGHT::QAR1(D)
        • K(d);S_FLIGHT,XR(C)::PXB(f)=Q
      • Refutation
        • R(a);XQ(D)
    • Try
      • Q(D);CHECK
      • Refutation
        • R(c);P_SPINR(c)
    • Try
      • P(G);
      • Threat
        • QAR1(G),XP(e)
      • Vars
        • K(d);P-FLIGHT,P_SPINP(e)::R(C)
      • Refutation
        • R(c);XQ(G)
  • Actual
    • Q(D);
    • Threat
      • QAR1(D),XP(e)
    • Vars
      • K(d);P-FLIGHT,P_SPINP(e)::R(C)
      • K(d);S_FLIGHT,XR(C)::PXB(f)=Q
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