MESON Chess Problem Database

Problem Display
PID: 74921 (5r2/R7/p3pP2/r1P4N/N3k3/1B3Rp1/6K1/B6n w - - 0 1)

Golha, Jan

1st HM., Mat 64, 2001

5r2/R7/p3pP2/r1P4N/N3k3/1B3Rp1/6K1/B6n

#2

9 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc5
      • 2.Sxc5#
    • 1...Rxf6
      • 2.Sxf6#
    • 1...Sf2
      • 2.Sxg3#
  • Tries
    • 1.Bd5+?
      • 1...exd5
        • 2.Re7#
      • 1...Kxd5!
    • 1.Re7?
      • threat
        • 2.Rxe6#
      • 1...Rxc5
        • 2.Sxc5#
      • 1...Rxf6
        • 2.Sxf6#
      • 1...e5
        • 2.Rxe5#
      • 1...Re8!
    • 1.Rg7?
      • threat
        • 2.Rg4#
      • 1...Rxf6
        • 2.Sxf6#
      • 1...Sf2
        • 2.Sxg3#
      • 1...Rg8!
  • Keys
    • 1.Rd7!
      • threat
        • 2.Bc2#
      • 1...Rxc5
        • 2.Sxc5#
      • 1...Sf2
        • 2.Sxg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • R(d);XP(F)::S(E),XR(d)
    • R(g);XP(H)::S(G),XR(g)
    • S(a);N_GUARD::S(G),XP(b)
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • P(f);SBLOCK,XB(C)::R(I)
      • Refutation
        • K(c);S_FLIGHT,XB(C)
    • Try
      • R(I);P_PINP(f)
      • Threat
        • R(I),XP(f)
      • Vars
        • R(d);XP(F)::S(E),XR(d)
        • R(g);XP(H)::S(G),XR(g)
        • P(f);OGATE::R1(I),XP(f)
      • Refutation
        • R(g);
    • Try
      • R(I);
      • Threat
        • R(I)
      • Vars
        • R(g);XP(H)::S(G),XR(g)
        • S(a);N_GUARD::S(G),XP(b)
      • Refutation
        • R(g);
  • Actual
    • R(I);
    • Threat
      • B(C)
    • Vars
      • R(d);XP(F)::S(E),XR(d)
      • S(a);N_GUARD::S(G),XP(b)
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