MESON Chess Problem Database

Problem Display
PID: 9810 (2b5/8/1R4p1/3Bkpq1/r4N2/p3r3/K1NP3Q/8 w - - 0 1)

Cimburek, Ladislav

1st Prize, Deutsche Schachbund, 1910

2b5/8/1R4p1/3Bkpq1/r4N2/p3r3/K1NP3Q/8

#2

7 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Ra5
      • 2.d4#
    • 1...Ra6
      • 2.d4#
    • 1...Ra7
      • 2.d4#
    • 1...Ra8
      • 2.d4#
    • 1...Ba6
      • 2.Re6#
    • 1...Be6
      • 2.Rxe6#
    • 1...Bb7
      • 2.Re6#
  • Tries
    • 1.Ba8?
      • threat
        • 2.Sd3#
        • 2.Sxg6#
      • 1...Be6+
        • 2.Rxe6#
      • 1...Qxf4
        • 2.Qh8#
      • 1...Rxf4
        • 2.d4#
      • 1...Qg3
        • 2.Sxg6#
      • 1...Rg3
        • 2.Sd3#
      • 1...Bb7
        • 2.Re6#
      • 1...Rd3
        • 2.Sxd3#
        • 2.Sxg6#
      • 1...Rxa8!
  • Keys
    • 1.Bb7!
      • threat
        • 2.Sd3#
        • 2.Sxg6#
      • 1...Be6+
        • 2.Rxe6#
      • 1...Qxf4
        • 2.Qh8#
      • 1...Rxf4
        • 2.d4#
      • 1...Bxb7
        • 2.Re6#
      • 1...Qg3
        • 2.Sxg6#
      • 1...Rg3
        • 2.Sd3#
      • 1...Rd3
        • 2.Sxd3#
        • 2.Sxg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 5
  • Sets
    • R(c);N_GUARD::P(C)
    • B(h);N_GUARD::R1(G)
    • B(h);N_GUARD,P_PINB(F)::R1(G),XB(h)
  • Tries
    • Try
      • B(F);
      • Threat
        • DUALS(2)
      • Vars
        • B(h);CHECK,N_GUARD::R1(G),XB(h)
        • Q(f);N_GUARD,P_SPINQ(f),SBLOCK,XS(E)::QAB(D)
        • R(c);N_GUARD,P_SPINR(c),XS(E)::P(C)
        • Q(f);::S(E),XP(g)
        • R(b);::S(E)
        • B(h);N_GUARD::R1(G)
      • Refutation
        • R(c);XB(F)
  • Actual
    • B(F);
    • Threat
      • DUALS(2)
    • Vars
      • B(h);CHECK,N_GUARD::R1(G),XB(h)
      • Q(f);N_GUARD,P_SPINQ(f),SBLOCK,XS(E)::QAB(D)
      • R(c);N_GUARD,P_SPINR(c),XS(E)::P(C)
      • B(h);N_GUARD,XB(F)::R1(G)
      • Q(f);::S(E),XP(g)
      • R(b);::S(E)
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