MESON Chess Problem Database

Problem Display
PID: 134820 (b5n1/p4p2/Pb3pNn/1R6/3pkp2/3N1RpQ/5PK1/8 w - - 0 1)

Brankovic, Ljubomir

Die Schwalbe, 2009

b5n1/p4p2/Pb3pNn/1R6/3pkp2/3N1RpQ/5PK1/8

#2

8 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Sf5
      • 2.Qxf5#
    • 1...gxf2
      • 2.Sxf2#
      • 2.Rxf4#
    • 1...f5
      • 2.Re5#
    • 1...fxg6
      • 2.Qe6#
  • Tries
    • 1.Sb4?
      • threat
        • 2.Rxf4#
      • 1...fxg6
        • 2.Qe6#
      • 1...Bc7!
    • 1.Sge5?
      • threat
        • 2.Rxf4#
      • 1...fxe5
        • 2.Rxe5#
      • 1...Bc5!
  • Keys
    • 1.Qd7!
      • 1...gxf2
        • 2.Sxf2#
      • 1...fxg6
        • 2.Qe6#
      • 1...Bc7
        • 2.Sc5#
      • 1...Ba5
        • 2.Sc5#
      • 1...Bc5
        • 2.Sxc5#
      • 1...Bd8
        • 2.Sc5#
      • 1...Bd5
        • 2.Qxd5#
      • 1...Bc6
        • 2.Qxc6#
      • 1...Bb7
        • 2.Qxb7#
      • 1...Sg4
        • 2.Qf5#
      • 1...Sf5
        • 2.Qxf5#
      • 1...Se7
        • 2.Qxe7#
      • 1...f5
        • 2.Re5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • S(g);N_GUARD::QAB1(E),XS(g)
    • P(f);N_GUARD::R1(F)
    • P(i);N_GUARD,XS(H)::QAR2(E)
  • Tries
    • Try
      • S(C);
      • Threat
        • R1(D),XP(d)
      • Vars
        • P(i);N_GUARD,XS(H)::QAR2(E)
      • Refutation
        • B(e);
    • Try
      • S(H);
      • Threat
        • R1(D),XP(d)
      • Vars
        • P(f);OGATE,XS(H)::R1(F),XP(f)
      • Refutation
        • B(e);
  • Actual
    • Q(E);
    • Vars
      • P(a);XP(A)::S(C),XP(a)
      • P(i);N_GUARD,XS(H)::QAR2(E)
      • B(e);N_GUARD::S(C)
      • B(e);N_GUARD::S(C),XB(e)
      • B(j);N_GUARD::QAB1(E),XB(j)
      • B(j);N_GUARD::QAB(E),XB(j)
      • S(g);N_GUARD::QAB1(E)
      • S(g);N_GUARD::QAB1(E),XS(g)
      • S(k);N_GUARD::QAR(E),XS(k)
      • P(f);N_GUARD::R1(F)
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