MESON Chess Problem Database

Problem Display
PID: 260172 (3R1b1B/8/8/1K1br2B/1n1k4/2N5/3P4/4N3 w - - 0 1)

Pirrone, Santi

Comm., Sinfonie Scacchistiche 05. TT, 1969

3R1b1B/8/8/1K1br2B/1n1k4/2N5/3P4/4N3

#2

7 + 5

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Sa2
      • 2.Rxd5#
    • 1...Sc2
      • 2.Rxd5#
    • 1...Sd3
      • 2.Sc2#
      • 2.Sf3#
      • 2.Rxd5#
    • 1...Sa6
      • 2.Rxd5#
    • 1...Sc6
      • 2.Rxd5#
  • Tries
    • 1.Sc2+?
      • 1...Sxc2
        • 2.Rxd5#
      • 1...Kd3!
  • Keys
    • 1.Bg6!
      • threat
        • 2.Sf3#
        • 2.Se2#
      • 1...Bd6
        • 2.Se2#
      • 1...Bg7
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • S(a);N_GUARD::R1(F),XB(c)
  • Tries
    • Try
      • S(A);CHECK
      • Vars
        • S(a);XS(A)::R1(F),XB(c)
      • Refutation
        • K(b);N_SPINR(d),P-FLIGHT
  • Actual
    • B(E);
    • Threat
      • DUALS(2)
    • Vars
      • B(e);N_SPINB(c)::S(C)
      • B(e);N_SPINR(d)::S(A)
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