MESON Chess Problem Database

Problem Display
PID: 267497 (2Rr4/8/8/1P2P2p/B3PNk1/1b5N/p4BK1/8 w - - 0 1)

Ceriani, Luigi

Il Problema, 1932

2Rr4/8/8/1P2P2p/B3PNk1/1b5N/p4BK1/8

#2

9 + 5

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.Rg8#
    • 1...Bd5
      • 2.Bd1#
  • Tries
    • 1.Bxb3?
      • threat
        • 2.Be6#
      • 1...Rd5
        • 2.Rg8#
      • 1...Re8
        • 2.Bd1#
      • 1...Rf8
        • 2.Bd1#
      • 1...Rd6!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Se3#
        • 2.Sf6#
      • 1...Rxd5
        • 2.Rg8#
      • 1...Bxd5
        • 2.Bd1#
      • 1...h4
        • 2.Sf6#
      • 1...Rd6
        • 2.Se3#
      • 1...Rf8
        • 2.Se3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(e);OGATE::R(I)
    • B(b);OGATE,P_PINP(E)::B(D)
  • Tries
    • Try
      • B(D);XB(b)
      • Threat
        • B(D)
      • Vars
        • R(e);OGATE::R(I)
        • R(e);N_GUARD::B(D)
      • Refutation
        • R(e);
  • Actual
    • S(F);
    • Threat
      • DUALS(2)
    • Vars
      • R(e);OGATE,XS(F)::R(I)
      • B(b);OGATE,P_PINP(E),XS(F)::B(D)
      • P(d);::S(F)
      • R(e);::S(F)
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