MESON Chess Problem Database

Problem Display
PID: 261283 (8/1BK3p1/1p2R3/3pPP1r/n3k1P1/2P4p/N3P1nQ/6BN w - - 0 1)

Gebura, Stanislaw

Neue Zurcher Zeitung, 1983

8/1BK3p1/1p2R3/3pPP1r/n3k1P1/2P4p/N3P1nQ/6BN

#2

12 + 8

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Se3
      • 2.Sf2#
    • 1...Sf4
      • 2.Sg3#
    • 1...Sxc3
      • 2.Sxc3#
  • Tries
    • 1.Sb4?
      • threat
        • 2.Bxd5#
      • 1...Se3
        • 2.Sf2#
      • 1...Sf4
        • 2.Sg3#
      • 1...Sxc3!
    • 1.Rd6?
      • threat
        • 2.Bxd5#
      • 1...Sxc3
        • 2.Sxc3#
      • 1...Se3
        • 2.Sf2#
      • 1...Sf4!
    • 1.Qg3?
      • threat
        • 2.Sf2#
        • 2.Qf3#
      • 1...Sxc3
        • 2.Sxc3#
        • 2.Qf3#
      • 1...Se1
        • 2.Sf2#
        • 2.Qe3#
      • 1...Sh4
        • 2.Sf2#
        • 2.Qe3#
      • 1...Rxf5!
    • 1.Qf4+?
      • 1...Sxf4
        • 2.Sg3#
      • 1...Kxf4!
    • 1.c4?
      • threat
        • 2.Bxd5#
      • 1...Sf4
        • 2.Sg3#
      • 1...Sc3
        • 2.Sxc3#
      • 1...Se3!
  • Keys
    • 1.Kd6!
      • threat
        • 2.Bxd5#
      • 1...Sxc3
        • 2.Sxc3#
      • 1...Se3
        • 2.Sf2#
      • 1...Sf4
        • 2.Sg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(a);SBLOCK::S(B)
    • S(c);XP(F)::S(C),XS(c)
  • Tries
    • Try
      • S(C);
      • Threat
        • B(K),XP(e)
      • Vars
        • S(a);SBLOCK::S(B)
      • Refutation
        • S(c);XP(F)
    • Try
      • R(J);
      • Threat
        • B(K),XP(e)
      • Vars
        • S(c);XP(F)::S(C),XS(c)
        • S(a);SBLOCK::S(B)
      • Refutation
        • S(a);
    • Try
      • Q(E);
      • Threat
        • DUALS(2)
      • Refutation
        • R(f);XP(I)
    • Try
      • Q(E);CHECK
      • Vars
        • S(a);SBLOCK,XQ(E)::S(B)
      • Refutation
        • K(d);N_SPINP(e),P-FLIGHT,XQ(E)
    • Try
      • P(F);
      • Threat
        • B(K),XP(e)
      • Vars
        • S(a);SBLOCK::S(B)
        • S(c);N_GUARD::S(C),XS(c)
      • Refutation
        • S(a);
  • Actual
    • K(L);S_FLIGHT
    • Threat
      • B(K),XP(e)
    • Vars
      • S(c);XP(F)::S(C),XS(c)
      • S(a);SBLOCK::S(B)
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