MESON Chess Problem Database

Problem Display
PID: 264404 (2RR4/8/B1Pr1p2/BN5p/p1kP1p2/K1p2qQ1/2b2N2/4b3 w - - 0 1)

Cristoffanini, Guido

1/2 HM., Nepszava, 1932

(First published on Sun Apr 3 1932)

2RR4/8/B1Pr1p2/BN5p/p1kP1p2/K1p2qQ1/2b2N2/4b3

#2

10 + 10

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qg8#
    • 1...Rxc6
      • 2.Sxc3#
      • 2.Sa7#
    • 1...Re6
      • 2.Sxc3#
      • 2.Sa7#
      • 2.Sc7#
  • Tries
    • 1.Rxd6?
      • threat
        • 2.Sxc3#
        • 2.Sa7#
        • 2.Sc7#
      • 1...Qxc6
        • 2.Sxc3#
        • 2.Sa7#
        • 2.Rcxc6#
        • 2.Qg8#
      • 1...Qd5!
  • Keys
    • 1.Bb6!
      • threat
        • 2.Sc7#
      • 1...Kd5
        • 2.Qg8#
      • 1...Qxc6
        • 2.Sxc3#
      • 1...Qd5
        • 2.Sxd6#
      • 1...Rd5
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(f);P_SPINR(i),S_CUTQ(d),S_FLIGHT::QAB(C)
  • Tries
    • Try
      • R(J);XR(i)
      • Threat
        • DUALS(3)
      • Refutation
        • Q(d);
  • Actual
    • B(E);
    • Threat
      • B(G)+S(F)
    • Vars
      • K(f);P_SPINR(i),S_CUTQ(d),S_FLIGHT::QAB(C)
      • Q(d);P_SPINQ(d),XP(H)::B(G)+S(F),XP(c)
      • Q(d);SBLOCK::B(G)+S(F),DCHECK,XR(i)
      • R(i);SBLOCK::B(G)+S(F),DCHECK
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