MESON Chess Problem Database

Problem Display
PID: 32549 (8/2p5/R1P1p3/P2kP3/2N3p1/5rP1/2Rp3p/BQ1K3B w - - 0 1)

Healey, Frank

The Westminster Papers, 1876

8/2p5/R1P1p3/P2kP3/2N3p1/5rP1/2Rp3p/BQ1K3B

#2

11 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Rxd2#
    • 1...Kc5
      • 2.Se3#
  • Tries
    • 1.Kxd2?
      • 1...Kc5
        • 2.Se3#
      • 1...Ke4!
    • 1.Bb2?
      • 1...Ke4
        • 2.Rxd2#
      • 1...Kc5!
    • 1.Bxf3+?
      • 1...Kc5
        • 2.Sxd2#
        • 2.Sa3#
        • 2.Se3#
        • 2.Sb6#
        • 2.Sd6#
      • 1...gxf3!
    • 1.Rb6?
      • 1...Ke4
        • 2.Rxd2#
      • 1...Kc5
        • 2.Se3#
        • 2.Qb5#
      • 1...cxb6!
    • 1.Ra8?
      • 1...Ke4
        • 2.Rxd2#
      • 1...Kc5
        • 2.Se3#
      • 1...Kxc6!
    • 1.Qb2?
      • threat
        • 2.Qd4#
      • 1...Kc5
        • 2.Se3#
      • 1...Ke4!
    • 1.Qb3?
      • threat
        • 2.Sxd2#
        • 2.Sd6#
      • 1...Kc5
        • 2.Se3#
      • 1...Ke4!
    • 1.Qb7?
      • 1...Kc5
        • 2.Se3#
      • 1...Ke4!
    • 1.Qb8?
      • 1...Kc5
        • 2.Se3#
      • 1...Ke4!
  • Keys
    • 1.Ra7!
      • 1...Ke4
        • 2.Rxd2#
      • 1...Kc5
        • 2.Se3#
      • 1...Kxc6
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(e);S_FLIGHT::QAB(B)+R(E),XP(a)
    • K(e);N_SPINR(c),P-FLIGHT::R(E)+S(G)
  • Tries
    • Try
      • K(C);P-FLIGHT,XP(a)
      • Vars
        • K(e);N_SPINR(c),P-FLIGHT::R(E)+S(G)
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • B(A);
      • Vars
        • K(e);S_FLIGHT::QAB(B)+R(E),XP(a)
      • Refutation
        • K(e);N_SPINR(c),P-FLIGHT
    • Try
      • B(D);CHECK,XR(c)
      • Refutation
        • P(d);XB(D)
    • Try
      • R(J);
      • Vars
        • K(e);S_FLIGHT::QAB(B)+R(E),XP(a)
      • Refutation
        • P(g);XR(J)
    • Try
      • R(J);
      • Vars
        • K(e);S_FLIGHT::QAB(B)+R(E),XP(a)
        • K(e);N_SPINR(c),P-FLIGHT::R(E)+S(G)
      • Refutation
        • K(e);S_FLIGHT,XP(K)
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Vars
        • K(e);N_SPINR(c),P-FLIGHT::R(E)+S(G)
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • K(e);N_SPINR(c),P-FLIGHT::R(E)+S(G)
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(e);N_SPINR(c),P-FLIGHT::R(E)+S(G)
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(e);N_SPINR(c),P-FLIGHT::R(E)+S(G)
      • Refutation
        • K(e);S_FLIGHT
  • Actual
    • R(J);
    • Vars
      • K(e);S_FLIGHT::QAB(B)+R(E),XP(a)
      • K(e);N_SPINR(c),P-FLIGHT::R(E)+S(G)
      • K(e);S_FLIGHT,XP(K)::R(E)+S(G)
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