MESON Chess Problem Database

Problem Display
PID: 150679 (5K2/3p4/1Pp5/p3PQNn/N2k3r/PR1n3p/5r2/1B1R2B1 w - - 0 1)

Salardini, Erio

Western Morning News, 1931

(First published on Sat May 23 1931)

5K2/3p4/1Pp5/p3PQNn/N2k3r/PR1n3p/5r2/1B1R2B1

#2

11 + 9

14868 Pirnie Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Qxf2#
    • 1...Sf4
      • 2.Qe4#
  • Tries
    • 1.Sf3+?
      • 1...Ke3
        • 2.Re1#
      • 1...Kc4
        • 2.Qxd3#
      • 1...Kd5!
    • 1.Bxd3?
      • threat
        • 2.Bf1#
        • 2.Be2#
        • 2.Bb5#
        • 2.Ba6#
      • 1...Ke3
        • 2.Bxf2#
        • 2.Bf1#
        • 2.Bc4#
        • 2.Bb5#
        • 2.Ba6#
        • 2.Qxf2#
      • 1...Sf4
        • 2.Qe4#
      • 1...Kd5!
    • 1.Bxf2+?
      • 1...Kc4
        • 2.Qxd3#
      • 1...Kd5!
    • 1.Rc3?
      • threat
        • 2.Rdxd3#
      • 1...Ke3
        • 2.Qxf2#
      • 1...Sf4
        • 2.Qe4#
      • 1...Kd5!
  • Keys
    • 1.Ba2!
      • threat
        • 2.Rbxd3#
      • 1...Ke3
        • 2.Qxf2#
      • 1...Kc4
        • 2.Rb4#
      • 1...Kd5
        • 2.Rbxd3#
      • 1...Sf4
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(d);S_FLIGHT::QAB1(H),XR(a)
    • S(g);N_PINQ(H)::QAR1(H)
  • Tries
    • Try
      • S(I);CHECK,N_SPINQ(H)
      • Vars
        • K(d);S_FLIGHT::R(B)
        • K(d);N_SPINR(a),N_SPINS(b),P-FLIGHT::QAB1(H),XS(b)
      • Refutation
        • K(d);N_SPINR(a),P-FLIGHT
    • Try
      • B(A);XS(b)
      • Threat
        • DUALS(4)
      • Vars
        • S(g);N_PINQ(H)::QAR1(H)
      • Refutation
        • K(d);N_SPINR(a),P-FLIGHT
    • Try
      • B(C);CHECK,N_SPINQ(H),XR(a)
      • Vars
        • K(d);N_SPINS(b),P-FLIGHT::QAB1(H),XS(b)
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • R(E);
      • Threat
        • R1(B),XS(b)
      • Vars
        • K(d);S_FLIGHT::QAB1(H),XR(a)
        • S(g);N_PINQ(H)::QAR1(H)
      • Refutation
        • K(d);N_SPINR(a),P-FLIGHT
  • Actual
    • B(A);
    • Threat
      • R1(E),XS(b)
    • Vars
      • K(d);S_FLIGHT::QAB1(H),XR(a)
      • K(d);N_SPINR(a),N_SPINS(b),P-FLIGHT::B(A)+R(E),DCHECK
      • K(d);N_SPINR(a),P-FLIGHT::B(A)+R(E),DCHECK,XS(b)
      • S(g);N_PINQ(H)::QAR1(H)
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