MESON Chess Problem Database

Problem Display
PID: 251294 (3R4/n4pQ1/K4pNr/1pPN2qr/3kP3/2R2P1B/2P5/B2b2b1 w - - 0 1)

Nidiry, Joseph J

British Chess Magazine, 1933

3R4/n4pQ1/K4pNr/1pPN2qr/3kP3/2R2P1B/2P5/B2b2b1

#2

12 + 10

SOLUTION

  • SOUND
  • Tries
    • 1.Qxf6+?
      • 1...Qe5
        • 2.Se3#
        • 2.Sb4#
        • 2.Sdf4#
        • 2.Sb6#
        • 2.Sc7#
        • 2.Sde7#
      • 1...Qxf6+!
  • Keys
    • 1.Se5!
      • threat
        • 2.Rc4#
      • 1...fxe5+
        • 2.Sf6#
      • 1...f5+
        • 2.Sc6#
      • 1...Kxe5
        • 2.Re3#
      • 1...Qxe5
        • 2.Qxg1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(K);CHECK,XP(g)
      • Refutation
        • Q(e);CHECK,XQ(K)
  • Actual
    • S(J);N_PINP(g)
    • Threat
      • B(A)+R(C),DCHECK
    • Vars
      • P(g);CHECK,P_SPINP(g),SBLOCK,XS(J)::R(L)+S(H)
      • P(g);CHECK::QAB(K)+S(J),DCHECK
      • K(c);N_GUARD,P_SPINP(g),S_FLIGHT,XS(J)::B(A)+R(C)
      • Q(e);OGATE,SBLOCK,XS(J)::QAB(K),XB(b)
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