MESON Chess Problem Database

Problem Display
PID: 78134 (3B1N2/4N3/7R/KB4kr/5p1R/6p1/8/8 w - - 0 1)

Lipton, Michael

The Tablet, 1957

(First published on Sat Oct 19 1957)

3B1N2/4N3/7R/KB4kr/5p1R/6p1/8/8

#2

7 + 4

15239 Valois Notebooks 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Kxh6
      • 2.Sf5#
  • Tries
    • 1.Sc6+?
      • 1...Kf5
        • 2.Bd3#
      • 1...Kxh6!
    • 1.Seg6+?
      • 1...Kf5
        • 2.Bd3#
        • 2.Rxf4#
      • 1...Kxh6!
    • 1.Rg4+?
      • 1...Kxh6
        • 2.Sg8#
        • 2.Rg6#
      • 1...Kxg4!
  • Keys
    • 1.Bd7!
      • threat
        • 2.Sf5#
        • 2.Sg8#
        • 2.R4xh5#
      • 1...Kxh4+
        • 2.Sd5#
      • 1...Kxh6+
        • 2.Sf5#
      • 1...Rxh4
        • 2.Sg8#
      • 1...Rxh6
        • 2.Seg6#
      • 1...f3
        • 2.Sf5#
        • 2.Sg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(c);P_PINB(C),P_SPINR(d),S_FLIGHT,XR(D)::S(E)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(c);P-FLIGHT::B(C)
      • Refutation
        • K(c);P_PINB(C),P_SPINR(d),S_FLIGHT,XR(D)
    • Try
      • S(E);CHECK
      • Refutation
        • K(c);P_PINB(C),P_SPINR(d),S_FLIGHT,XR(D)
    • Try
      • R(A);CHECK
      • Refutation
        • K(c);P-FLIGHT,P_PINB(C),XR(A)
  • Actual
    • B(C);
    • Threat
      • DUALS(3)
    • Vars
      • K(c);CHECK,P_SPINR(d),S_FLIGHT,XR(A)::B(F)+S(E)
      • K(c);CHECK,P_SPINR(d),S_FLIGHT,XR(D)::S(E)
      • R(d);XR(A)::B(F)+S(E)
      • R(d);XR(D)::B(F)+S(E)
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