MESON Chess Problem Database

Problem Display
PID: 209484 (6K1/2p4B/R4p1Q/N1p5/2Pkp3/3N1b2/1P4p1/2B3q1 w - - 0 1)

Bakcsi, Gyorgy

Suomen Shakki, 1991

6K1/2p4B/R4p1Q/N1p5/2Pkp3/3N1b2/1P4p1/2B3q1

#2

9 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd3
      • 2.Qd2#
    • 1...Qh2
      • 2.Qe3#
    • 1...Qe3
      • 2.Qxe3#
    • 1...Qd1
      • 2.Qe3#
    • 1...Qf1
      • 2.Qe3#
    • 1...Qh1
      • 2.Qe3#
    • 1...exd3
      • 2.Qxf6#
    • 1...e3
      • 2.Qxf6#
  • Tries
    • 1.Sf4?
      • threat
        • 2.Qxf6#
      • 1...Ke5
        • 2.Qxf6#
      • 1...f5
        • 2.Qg7#
        • 2.Qf6#
      • 1...Qxc1!
    • 1.Ra8?
      • threat
        • 2.Rd8#
      • 1...Kxd3
        • 2.Qd2#
      • 1...exd3
        • 2.Qxf6#
      • 1...Qh2
        • 2.Qe3#
      • 1...e3
        • 2.Qxf6#
      • 1...Bg4!
  • Keys
    • 1.Se5!
      • threat
        • 2.Sac6#
      • 1...Kxe5
        • 2.Qxf6#
      • 1...fxe5
        • 2.Qd2#
      • 1...e3
        • 2.Sxf3#
      • 1...c6
        • 2.Saxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 7
  • Sets
    • K(d);OGATEB,P-FLIGHT,P_SPINP(e),XS(C)::QAR1(G)
    • Q(a);N_GUARD::QAB1(G)
    • Q(a);N_GUARD::QAB1(G),XQ(a)
    • P(e);XS(C)::QAB(G),XP(g)
    • P(e);::QAB(G),XP(g)
  • Tries
    • Try
      • S(C);
      • Threat
        • QAB(G),XP(g)
      • Vars
        • K(d);S_FLIGHT::QAB1(G),XP(g)
      • Refutation
        • Q(a);XB(A)
    • Try
      • R(F);
      • Threat
        • R(F)
      • Vars
        • K(d);OGATEB,P-FLIGHT,P_SPINP(e),XS(C)::QAR1(G)
        • P(e);XS(C)::QAB(G),XP(g)
        • Q(a);N_GUARD::QAB1(G)
        • P(e);::QAB(G),XP(g)
      • Refutation
        • B(c);
  • Actual
    • S(C);
    • Threat
      • S(E)
    • Vars
      • K(d);OGATEB,S_FLIGHT,XS(C)::QAB1(G),XP(g)
      • P(g);SBLOCK,XS(C)::QAR2(G)
      • P(e);N_GUARD::S(C),XB(c)
      • P(h);::S(E),XP(h)
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