MESON Chess Problem Database

Problem Display
PID: 137176 (1b5n/n1B1Nr1N/3p1p1Q/R2Pk3/2R1b1P1/5pp1/K1P5/8 w - - 0 1)

Kukavica, Zdenko

Liga Problemista, 1982

1b5n/n1B1Nr1N/3p1p1Q/R2Pk3/2R1b1P1/5pp1/K1P5/8

#2

10 + 10

6490 yacpdb 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe7
      • 2.Qxf6#
    • 1...Rg7
      • 2.Qxf6#
    • 1...Bxc2
      • 2.Qf4#
    • 1...Bd3
      • 2.Qf4#
    • 1...Bxd5
      • 2.Qe3#
    • 1...Bf5
      • 2.Qf4#
    • 1...Bg6
      • 2.Qf4#
    • 1...Bxh7
      • 2.Qf4#
    • 1...Sc6
      • 2.Sxc6#
    • 1...Sc8
      • 2.Sc6#
    • 1...g2
      • 2.Qh2#
    • 1...f5
      • 2.Qxd6#
  • Tries
    • 1.Sg6+?
      • 1...Bxg6
        • 2.Qf4#
      • 1...Sxg6!
    • 1.Bb6?
      • threat
        • 2.Bd4#
      • 1...Bxc2
        • 2.Qf4#
      • 1...Bxd5
        • 2.Qe3#
      • 1...Bxh7
        • 2.Qf4#
      • 1...Bd3
        • 2.Qf4#
      • 1...Bf5
        • 2.Qf4#
      • 1...Bg6
        • 2.Qf4#
      • 1...Sc6
        • 2.Sxc6#
      • 1...Sb5!
  • Keys
    • 1.Sg5!
      • threat
        • 2.Rxe4#
      • 1...Kf4
        • 2.Rxe4#
      • 1...Bxc2
        • 2.Sxf3#
      • 1...Bxd5
        • 2.Rxd5#
      • 1...fxg5
        • 2.Qxd6#
      • 1...Bd3
        • 2.Sxf3#
      • 1...Bf5
        • 2.Sxf3#
      • 1...Bg6
        • 2.Sxf3#
      • 1...Bh7
        • 2.Sxf3#
      • 1...f5
        • 2.Qxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 6
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • R(h);N_GUARD,XS(I)::QAB1(G),XP(f)
    • R(h);N_GUARD::QAB1(G),XP(f)
    • B(c);XP(B)::QAB1(G)
    • B(c);::QAB1(G)
    • B(c);OGATEB,P_PINR(C),P_SPINB(c),XP(F)::QAR2(G)
    • B(c);XS(J)::QAB1(G)
    • S(g);N_GUARD::S(I),XS(g)
    • S(g);N_GUARD::S(I)
    • P(b);OGATEB::QAB(G)
    • P(f);OGATE::QAB1(G),XP(e)
  • Tries
    • Try
      • S(I);CHECK
      • Vars
        • B(c);XS(I)::QAB1(G)
      • Refutation
        • S(j);XS(I)
    • Try
      • B(H);N_PINP(e)
      • Threat
        • B(H)
      • Vars
        • B(c);XP(B)::QAB1(G)
        • B(c);OGATEB,P_PINR(C),P_SPINB(c),XP(F)::QAR2(G)
        • B(c);XS(J)::QAB1(G)
        • B(c);::QAB1(G)
        • S(g);N_GUARD::S(I),XS(g)
      • Refutation
        • S(g);
  • Actual
    • S(J);
    • Threat
      • R1(C),XB(c)
    • Vars
      • K(d);P_SPINB(c),S_FLIGHT::R1(C),XB(c)
      • B(c);N_GUARD,XP(B)::S(J),XP(a)
      • B(c);OGATE,P_PINR(C),P_SPINB(c),XP(F)::R1(E),XB(c)
      • P(f);OGATE,XS(J)::QAB1(G),XP(e)
      • B(c);N_GUARD::S(J),XP(a)
      • P(f);OGATE::QAB1(G),XP(e)
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