MESON Chess Problem Database

Problem Display
PID: 57012 (3RRNKn/8/2B1pQ2/1N1brP2/4kp2/5p2/1bP2P2/8 w - - 0 1)

Groeneveld, Cornelis

Prins, Hendrik

1st HM., Tidskrift for Schack, 2003

3RRNKn/8/2B1pQ2/1N1brP2/4kp2/5p2/1bP2P2/8

#2

10 + 8

102 Probleemblad 2005

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf5
      • 2.Sd6#
    • 1...Bd4
      • 2.Sd6#
    • 1...exf5+
      • 2.Bxd5#
  • Tries
    • 1.Sh7?
      • threat
        • 2.Sg5#
      • 1...exf5+
        • 2.Bxd5#
      • 1...Rxf5
        • 2.Sd6#
      • 1...Sf7!
    • 1.Rxd5?
      • threat
        • 2.Sd6#
        • 2.Rd4#
        • 2.Rxe5#
      • 1...Rxd5
        • 2.Sd6#
      • 1...Rxf5
        • 2.Sd6#
        • 2.Rd4#
        • 2.Re5#
        • 2.Rxf5#
        • 2.Qxf5#
      • 1...Ba3
        • 2.Sc3#
        • 2.Rd4#
        • 2.Rxe5#
        • 2.Qxe5#
      • 1...Bd4
        • 2.Sd6#
        • 2.Rxd4#
        • 2.Rxe5#
      • 1...Sf7
        • 2.Rd4#
        • 2.Rxe5#
      • 1...exd5!
  • Keys
    • 1.Sxe6!
      • threat
        • 2.Sd6#
      • 1...Bxc6
        • 2.Sc5#
        • 2.Sg5#
      • 1...Ba3
        • 2.Sc3#
      • 1...Sf7
        • 2.Sc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • R(f);P_SPINP(g),XP(D)::S(C)
    • B(a);SBLOCK::S(C)
    • P(g);CHECK,N_GUARD,P_SPINR(f),XP(D)::B(E),XB(e)
  • Tries
    • Try
      • S(I);
      • Threat
        • S(I)
      • Vars
        • P(g);CHECK,N_GUARD,P_SPINR(f),XP(D)::B(E),XB(e)
        • R(f);P_SPINP(g),XP(D)::S(C)
      • Refutation
        • S(h);
    • Try
      • R(G);XB(e)
      • Threat
        • DUALS(3)
      • Vars
        • R(f);P_SPINP(g),P_SPINR(f),XR(G)::S(C)
      • Refutation
        • P(g);P_SPINP(g),P_SPINR(f),XR(G)
  • Actual
    • S(I);P_SPINS(I),XP(g)
    • Threat
      • S(C)
    • Vars
      • B(a);N_GUARD::S(C)
      • S(h);N_PINS(I)::S(I)
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