MESON Chess Problem Database

Problem Display
PID: 7125 (5B2/1p2r3/1KB5/8/1Pk3NR/3p4/1PN2r2/4R1Q1 w - - 0 1)

Sardella, Giuseppe

L'Italia Scacchistica, 1998

5B2/1p2r3/1KB5/8/1Pk3NR/3p4/1PN2r2/4R1Q1

#2

10 + 5

SOLUTION

  • SOUND
  • Tries
    • 1.Sxf2+?
      • 1...Re4
        • 2.Qg8#
      • 1...Kb3!
    • 1.Sf6+?
      • 1...Rf4
        • 2.Bd5#
      • 1...Re4
        • 2.Bd5#
        • 2.Qg8#
      • 1...Kb3!
  • Keys
    • 1.Sa1!
      • threat
        • 2.Se3#
        • 2.Se5#
      • 1...Kxb4
        • 2.Sxf2#
        • 2.Re4#
      • 1...Kd4
        • 2.Se5#
      • 1...Rxb2
        • 2.Qc5#
      • 1...bxc6
        • 2.Se3#
      • 1...d2
        • 2.Se5#
      • 1...Rf4
        • 2.Qc5#
      • 1...Re3
        • 2.Sxe3#
        • 2.Se5#
      • 1...Re4
        • 2.Rxe4#
      • 1...Re5
        • 2.Se3#
        • 2.Sxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);CHECK,XR(a)
      • Vars
        • R(e);P_SPINR(e)::QAB(B)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • S(F);CHECK
      • Vars
        • R(a);P_SPINR(a)::B(I)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • S(D);
    • Threat
      • DUALS(2)
    • Vars
      • K(c);P-FLIGHT,P_SPINR(a)::R(G)+S(F)
      • R(a);OGATE,P_PINP(E),XP(C)::QAR1(B)
      • P(d);XB(I)::R(G)+S(F),DCHECK
      • P(b);::R(G)+S(F),DCHECK
      • R(a);OGATE::QAR1(B)
      • R(e);N_GUARD::R(A),XR(e)
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