MESON Chess Problem Database

Problem Display
PID: 36256 (1Bb5/7B/6R1/1R3N2/3pkN2/2b2r2/K1P1P1r1/4n2Q w - - 0 1)

Foschini, Ettore

Mari, Alberto

3rd Comm., BCF 007. Ty., 1931-1932

1Bb5/7B/6R1/1R3N2/3pkN2/2b2r2/K1P1P1r1/4n2Q

#2

10 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf4
      • 2.Re5#
    • 1...Bxf5
      • 2.Re6#
    • 1...Ba6
      • 2.Re6#
    • 1...Be6+
      • 2.Rxe6#
    • 1...Bb7
      • 2.Re6#
  • Tries
    • 1.Sg3+?
      • 1...Rgxg3
        • 2.Re6#
      • 1...Rfxg3
        • 2.Re6#
      • 1...Ke3!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Sf6#
      • 1...Kxf5
        • 2.Sxc3#
      • 1...Rxg6
        • 2.Sg3#
      • 1...Rxf5
        • 2.Rg4#
      • 1...Bxf5
        • 2.Re6#
      • 1...Be6
        • 2.Rxe6#
      • 1...d3
        • 2.Sxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 3
  • Sets
    • R(d);P_SPINR(b),SBLOCK,XS(E)::R1(F)
    • B(g);N_GUARD,XS(G)::R(H)
    • B(g);N_GUARD::R(H)
    • B(g);CHECK,N_GUARD::R(H),XB(g)
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • R(b);P_SPINR(d),XS(G)::B(I)+R(H),DCHECK
        • R(d);P_SPINR(b),XS(G)::B(I)+R(H),DCHECK
      • Refutation
        • K(f);P-FLIGHT
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • K(f);S_FLIGHT,XS(G)::R(F)+S(E),XB(c)
      • R(b);N_GUARD,P_SPINR(d),XR(H)::S(G)
      • R(d);N_GUARD,P_SPINR(b),XS(G)::R(H)
      • B(g);N_GUARD,XS(G)::R(H)
      • B(g);N_GUARD,P_PINS(E)::R(H),XB(g)
      • P(e);N_GUARD,S_CUTR(d)::S(E),XB(c)
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