MESON Chess Problem Database

Problem Display
PID: 142993 (3B1K2/b1P1N3/2R1Pkp1/6pn/3N4/2Q4q/8/4r2B w - - 0 1)

Francey, James

Western Morning News and Daily Gazette, 1934

(First published on Sat Oct 13 1934)

3B1K2/b1P1N3/2R1Pkp1/6pn/3N4/2Q4q/8/4r2B

#2

9 + 7

14867 BCPS Library 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Sxg6#
    • 1...Re5
      • 2.Sd5#
      • 2.Sef5#
      • 2.Sc8#
      • 2.Sg8#
  • Tries
    • 1.Se2+?
      • 1...Bd4
        • 2.Qxd4#
      • 1...Qxc3!
    • 1.Sf3+?
      • 1...Re5
        • 2.Qxe5#
      • 1...Bd4!
    • 1.Rc5?
      • threat
        • 2.Sef5#
        • 2.Sec6#
        • 2.Sc8#
        • 2.Sg8#
      • 1...Qxe6
        • 2.Sg8#
      • 1...Rxe6
        • 2.Sg8#
      • 1...Qf5
        • 2.Sexf5#
        • 2.Sec6#
        • 2.Sc8#
        • 2.Sg8#
      • 1...Bxc5!
    • 1.Qc5?
      • threat
        • 2.Sef5#
        • 2.Sc8#
        • 2.Sg8#
      • 1...Qf5
        • 2.Sexf5#
        • 2.Sc8#
        • 2.Sg8#
      • 1...Bxc5!
  • Keys
    • 1.Rb6!
      • threat
        • 2.Sec6#
      • 1...Ke5
        • 2.Sxg6#
      • 1...Qxe6
        • 2.Se2#
      • 1...Rxe6
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(e);S_FLIGHT::S(G),XP(f)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • B(g);N_GUARD,P_SPINB(g)::QAB(B),XB(g)
      • Refutation
        • Q(b);XQ(B)
    • Try
      • S(C);CHECK
      • Vars
        • R(a);N_GUARD,P_SPINR(a)::QAB1(B),XR(a)
      • Refutation
        • B(g);P_SPINB(g)
    • Try
      • R(D);
      • Threat
        • DUALS(4)
      • Vars
        • Q(b);XP(E)::B(H)+S(G),DCHECK
        • R(a);XP(E)::B(H)+S(G),DCHECK
      • Refutation
        • B(g);P_PINS(G),XR(D)
    • Try
      • Q(B);
      • Threat
        • DUALS(3)
      • Refutation
        • B(g);P_PINS(G),XQ(B)
  • Actual
    • R(D);
    • Threat
      • B(H)+S(G)
    • Vars
      • K(e);S_FLIGHT::S(G),XP(f)
      • Q(b);N_GUARD,P_SPINQ(b),XP(E)::QAB(B)+S(C)
      • R(a);N_GUARD,P_SPINR(a),XP(E)::QAB(B)+S(C)
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