MESON Chess Problem Database

Problem Display
PID: 264403 (b3K3/3R3p/1p3Nn1/1P1PN1Qr/RB1k2P1/3p4/5p2/6bq w - - 0 1)

Cristoffanini, Guido

Bristol Times and Mirror, 1929

(First published on Sat Nov 30 1929)

b3K3/3R3p/1p3Nn1/1P1PN1Qr/RB1k2P1/3p4/5p2/6bq

#2

10 + 10

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Qf4+?
      • 1...Qe4
        • 2.Qxe4#
      • 1...Sxf4!
  • Keys
    • 1.Qc1!
      • threat
        • 2.Bd6#
      • 1...Rxe5+
        • 2.Be7#
      • 1...Kxe5
        • 2.Bc3#
      • 1...Qxd5
        • 2.Sf3#
      • 1...Bxd5
        • 2.Sc6#
      • 1...Sxe5
        • 2.Bc5#
      • 1...d2
        • 2.Qc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(G);CHECK
      • Vars
        • Q(b);N_GUARD,P_PINS(F),P_SPINQ(b)::QAR1(G),XQ(b)
      • Refutation
        • S(h);XQ(G)
  • Actual
    • Q(G);
    • Threat
      • R(A)+B(B)
    • Vars
      • R(f);CHECK,SBLOCK,XS(F)::R(A)+B(B)
      • K(e);N_GUARD,S_FLIGHT,XS(F)::B(B)
      • Q(b);N_GUARD,P_SPINQ(b),XP(E)::S(F)
      • B(j);N_GUARD,P_SPINB(j),XP(E)::S(F)
      • S(h);SBLOCK,XS(F)::R(A)+B(B),DCHECK
      • P(d);::QAB1(G)
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