MESON Chess Problem Database

Problem Display
PID: 231175 (R7/b1r5/2Pp4/1P1K4/kN1p3Q/r7/2P5/R3BB2 w - - 0 1)

Cristoffanini, Guido

Chemnitzer Tageblatt, 1927

R7/b1r5/2Pp4/1P1K4/kN1p3Q/r7/2P5/R3BB2

#2

10 + 6

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ra2
      • 2.Rxa2#
    • 1...Rc8
      • 2.Rxa7#
  • Keys
    • 1.Qxd4!
      • threat
        • 2.Sa2#
      • 1...Ka5
        • 2.Sa6#
        • 2.Rxa3#
      • 1...Rxa1
        • 2.Qxa1#
      • 1...Rxc6
        • 2.Sxc6#
      • 1...Ra2
        • 2.Rxa2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • R(a);OGATEB::R(A),XR(a)
    • R(f);N_GUARD::R(J),XB(e)
  • Actual
    • Q(F);XP(c)
    • Threat
      • QAR(F)+S(E)
    • Vars
      • R(a);N_SPINR(a),OGATE,XR(A)::QAR(F),XR(a)
      • R(f);XP(I)::QAR(F)+S(E),XR(f)
      • R(a);OGATEB::R(A),XR(a)
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