MESON Chess Problem Database

Problem Display
PID: 160755 (8/1Knp4/1b1N4/8/2Bkpp2/4Rr2/3B1n2/6Q1 w - - 0 1)

Williams, Philip Hamilton

Hampstead and Highgate Express, 1904

8/1Knp4/1b1N4/8/2Bkpp2/4Rr2/3B1n2/6Q1

#2

6 + 8

15351 SCPF/BCPS Black Books 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Bc5
      • 2.Rxe4#
      • 2.Qa1#
      • 2.Qg7#
    • 1...Sd1
      • 2.Rxe4#
    • 1...Sh1
      • 2.Rxe4#
    • 1...Sd3
      • 2.Rxe4#
    • 1...Sh3
      • 2.Rxe4#
    • 1...Sg4
      • 2.Rxe4#
  • Tries
    • 1.Bc3+?
      • 1...Kxe3
        • 2.Sf5#
        • 2.Qc1#
        • 2.Qe1#
      • 1...Kc5!
  • Keys
    • 1.Bb4!
      • threat
        • 2.Rxe4#
      • 1...Kxe3
        • 2.Sf5#
      • 1...Ke5
        • 2.Qg7#
      • 1...Rxe3
        • 2.Qg7#
      • 1...fxe3
        • 2.Qa1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 5
  • Sets
    • S(a);::QAB(A)+R(C),DCHECK,XP(d)
  • Tries
    • Try
      • B(B);CHECK
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • B(B);
    • Threat
      • R1(C),XP(d)
    • Vars
      • K(c);P_SPINS(a),S_FLIGHT,XR(C)::S(E)
      • K(c);P_SPINP(d),S_FLIGHT::QAB(A)
      • R(b);SBLOCK,XR(C)::QAB(A)
      • P(e);SBLOCK,XR(C)::QAB(A)
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