MESON Chess Problem Database

Problem Display
PID: 239800 (5R1K/3BB3/r3PNp1/R1N2kPp/3p2p1/4r1P1/8/8 w - - 0 1)

Cristoffanini, Guido

Revista Romana de Sah, 1931

5R1K/3BB3/r3PNp1/R1N2kPp/3p2p1/4r1P1/8/8

#2

10 + 7

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Sd3#
      • 2.Sxa6#
    • 1...Kxg5
      • 2.Sg8#
    • 1...Rd3
      • 2.Sxa6#
    • 1...Rf3
      • 2.Sxa6#
    • 1...Re5
      • 2.Sfe4#
      • 2.Sd5#
      • 2.Sxh5#
      • 2.Sh7#
      • 2.Se8#
      • 2.Sg8#
    • 1...Rexe6
      • 2.Sxa6#
    • 1...Raxe6
      • 2.Sce4#
  • Tries
    • 1.Sd3+?
      • 1...Re5
        • 2.Rxe5#
      • 1...Rxa5!
  • Keys
    • 1.Bc8!
      • threat
        • 2.Sfd7#
      • 1...Ke5
        • 2.Sd3#
        • 2.Sxa6#
      • 1...Kxg5
        • 2.Sg8#
      • 1...Rexe6
        • 2.Sxa6#
      • 1...Raxe6
        • 2.Sce4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • K(d);P-FLIGHT,XP(D)::B(H)+S(F)
    • R(a);N_GUARD::R(B)+S(C),XR(f)
    • R(a);N_GUARD,P_SPINR(a),XP(E)::R(B)+S(C),XR(f)
    • R(f);N_GUARD,P_SPINR(f),XP(E)::R(B)+S(C)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • R(a);N_GUARD,P_SPINR(a)::R1(B),XR(a)
      • Refutation
        • R(f);XR(B)
  • Actual
    • B(G);
    • Threat
      • R(I)+S(F)
    • Vars
      • K(d);P-FLIGHT,XP(D)::B(H)+S(F)
      • R(a);N_GUARD,P_SPINR(a),XP(E)::R(B)+S(C),XR(f)
      • R(f);N_GUARD,P_SPINR(f),XP(E)::R(B)+S(C)
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