MESON Chess Problem Database

Problem Display
PID: 108024 (3KN3/8/2bR4/1n2kN2/1B2p2n/b1r1P1PB/8/8 w - - 0 1)

Efendijev, A

Republika, 1990

3KN3/8/2bR4/1n2kN2/1B2p2n/b1r1P1PB/8/8

#2

8 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sd4
      • 2.exd4#
    • 1...Sa7
      • 2.Bxc3#
    • 1...Sc7
      • 2.Bxc3#
  • Tries
    • 1.Bxc3+?
      • 1...Sd4
        • 2.Bxd4#
        • 2.exd4#
      • 1...Sxc3!
  • Keys
    • 1.Se7!
      • threat
        • 2.Re6#
      • 1...Rxe3
        • 2.Sxc6#
      • 1...Sxd6
        • 2.Bxc3#
      • 1...Rd3
        • 2.Sxc6#
      • 1...Bd5
        • 2.Rxd5#
      • 1...Bd7
        • 2.Rd5#
      • 1...Sf5
        • 2.Sg6#
      • 1...Sd4
        • 2.exd4#
      • 1...Sc7
        • 2.Bxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • S(e);OGATE::P(A),XS(e)
    • S(e);N_GUARD::B(D),XR(b)
  • Tries
    • Try
      • B(D);CHECK,XR(b)
      • Refutation
        • S(e);XB(D)
  • Actual
    • S(E);
    • Threat
      • R1(F)
    • Vars
      • R(b);N_GUARD,XP(A)::S(E),XB(g)
      • S(e);N_GUARD,XR(F)::B(D),XR(b)
      • R(b);N_GUARD,P_PINR(F)::S(E),XB(g)
      • B(g);N_GUARD::R1(F),XB(g)
      • B(g);N_GUARD::R1(F)
      • S(d);N_GUARD::S(E)
      • S(e);OGATE::P(A),XS(e)
      • S(e);N_GUARD::B(D),XR(b)
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