MESON Chess Problem Database

Problem Display
PID: 67406 (b7/2QN1p2/2PrP3/K2k1P2/1PRr2P1/2nnp1P1/3N4/b1RB4 w - - 0 1)

Lacny, Ludovit

1st Place, 05. WCCT, 1993-1997

b7/2QN1p2/2PrP3/K2k1P2/1PRr2P1/2nnp1P1/3N4/b1RB4

#2

13 + 9

145 StrateGems 1998
5417 FIDE Album (1995-1997) 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc6
      • 2.Sf6#
    • 1...Rxe6
      • 2.Sb6#
    • 1...Sxc1
      • 2.Rc5#
    • 1...Se1
      • 2.Rc5#
    • 1...Sb2
      • 2.Rc5#
    • 1...Sf2
      • 2.Rc5#
    • 1...Sxb4
      • 2.Rc5#
    • 1...Sf4
      • 2.Rc5#
    • 1...Sc5
      • 2.Rxc5#
    • 1...Se5
      • 2.Sb6#
      • 2.Sf6#
      • 2.Rc5#
  • Keys
    • 1.Sf3!
      • threat
        • 2.Rxd4#
      • 1...Kxc4
        • 2.Sb6#
      • 1...Ke4
        • 2.Sf6#
      • 1...Rxc4
        • 2.Sf6#
      • 1...Rxg4
        • 2.Sb6#
      • 1...Sxd1
        • 2.Sf6#
      • 1...Re4
        • 2.Sb6#
      • 1...Rf4
        • 2.Sb6#
      • 1...Sb1
        • 2.Sf6#
      • 1...Sa2
        • 2.Sf6#
      • 1...Se2
        • 2.Sf6#
      • 1...Sa4
        • 2.Sf6#
      • 1...Se4
        • 2.Sb6#
      • 1...Sb5
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 9
  • Sets
    • R(g);XP(J)::S(M)
    • R(g);XP(K)::S(M)
    • S(c);N_GUARD,XR(A)::R1(F)
    • S(c);N_GUARD::R1(F)
    • S(c);N_GUARD,XP(E)::R1(F)
    • S(c);N_GUARD::R1(F),XS(c)
  • Actual
    • S(C);
    • Threat
      • R1(F),XR(e)
    • Vars
      • K(f);P_SPINS(b),S_FLIGHT,XR(F)::S(M)
      • K(f);P_SPINR(e),S_FLIGHT::S(M)
      • R(e);SBLOCK,XR(F)::S(M)
      • R(e);XP(G)::S(M)
      • S(b);XB(B)::S(M)
      • R(e);::S(M)
      • S(b);::S(M)
      • S(b);SBLOCK::S(M)
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