MESON Chess Problem Database

Problem Display
PID: 55313 (NN6/3p1p2/4kP2/1n2B2Q/2R2Pp1/2PP2pb/6p1/6K1 w - - 0 1)

Subotic, Miroslav

The Problemist, 2004

NN6/3p1p2/4kP2/1n2B2Q/2R2Pp1/2PP2pb/6p1/6K1

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qxf7#
    • 1...Sa3
      • 2.Sc7#
    • 1...Sxc3
      • 2.Sc7#
    • 1...Sd4
      • 2.Sc7#
    • 1...Sd6
      • 2.Sc7#
    • 1...Sa7
      • 2.Sc7#
    • 1...Sc7
      • 2.Sxc7#
  • Tries
    • 1.Sa6?
      • 1...Kd5
        • 2.Qxf7#
      • 1...Sxc3
        • 2.S6c7#
        • 2.S8c7#
      • 1...Sa3
        • 2.S6c7#
        • 2.S8c7#
      • 1...Sd4
        • 2.S6c7#
        • 2.S8c7#
      • 1...Sd6
        • 2.S6c7#
        • 2.S8c7#
      • 1...Sa7
        • 2.S6c7#
        • 2.S8c7#
      • 1...Sc7
        • 2.S6xc7#
        • 2.S8xc7#
      • 1...d5
        • 2.Sc5#
      • 1...d6!
    • 1.Bd4?
      • threat
        • 2.Qe5#
      • 1...Kd6
        • 2.Qe5#
      • 1...d6!
    • 1.Bd6?
      • threat
        • 2.Qe5#
      • 1...Kxd6
        • 2.Qe5#
      • 1...Kxf6!
    • 1.Rc5?
      • threat
        • 2.f5#
      • 1...Sd4
        • 2.Sc7#
      • 1...Sd6
        • 2.Sc7#
      • 1...d5!
    • 1.Rc8?
      • 1...Kd5
        • 2.Qxf7#
      • 1...Sxc3
        • 2.Sc7#
      • 1...Sa3
        • 2.Sc7#
      • 1...Sd4
        • 2.Sc7#
      • 1...Sd6
        • 2.Sc7#
      • 1...Sa7
        • 2.Sc7#
      • 1...Sc7
        • 2.Sxc7#
      • 1...d5
        • 2.Re8#
      • 1...d6!
    • 1.Qxg4+?
      • 1...Kd5
        • 2.Sb6#
      • 1...Bxg4!
    • 1.Qf5+?
      • 1...Kd5
        • 2.Sb6#
        • 2.Bc7#
      • 1...Kxf5!
  • Keys
    • 1.Re4!
      • 1...Kd5
        • 2.Bc7#
      • 1...Sxc3
        • 2.Sc7#
      • 1...d6
        • 2.Bd4#
      • 1...Sa3
        • 2.Sc7#
      • 1...Sd4
        • 2.Sc7#
      • 1...Sd6
        • 2.Sc7#
      • 1...Sa7
        • 2.Sc7#
      • 1...Sc7
        • 2.Sxc7#
      • 1...d5
        • 2.f5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(f);S_FLIGHT::QAB(G),XP(h)
    • S(e);N_GUARD::S(I)
    • S(e);N_GUARD,XP(B)::S(I)
    • S(e);N_GUARD::S(I),XS(e)
  • Tries
    • Try
      • S(J);
      • Vars
        • K(f);S_FLIGHT::QAB(G),XP(h)
        • P(g);SBLOCK::S(J)
      • Refutation
        • P(g);
    • Try
      • B(F);
      • Threat
        • QAR1(G)
      • Vars
        • K(f);P-FLIGHT::QAB1(G)
      • Refutation
        • P(g);
    • Try
      • B(F);
      • Threat
        • QAR1(G)
      • Vars
        • K(f);P-FLIGHT,XB(F)::QAB1(G)
      • Refutation
        • K(f);P-FLIGHT,XP(H)
    • Try
      • R(D);
      • Threat
        • P(E)
      • Vars
        • S(e);N_GUARD::S(I)
      • Refutation
        • P(g);
    • Try
      • R(D);
      • Vars
        • K(f);S_FLIGHT::QAB(G),XP(h)
        • S(e);N_GUARD,XP(B)::S(I)
        • S(e);N_GUARD::S(I)
        • S(e);N_GUARD::S(I),XS(e)
        • P(g);SBLOCK::R(D)
      • Refutation
        • P(g);
    • Try
      • Q(G);CHECK,XP(d)
      • Vars
        • K(f);S_FLIGHT::S(I)
      • Refutation
        • B(c);XQ(G)
    • Try
      • Q(G);CHECK
      • Refutation
        • K(f);S_FLIGHT,XQ(G)
  • Actual
    • R(D);
    • Vars
      • K(f);S_FLIGHT::QAR(G)+B(F)
      • S(e);N_GUARD,XP(B)::S(I)
      • P(g);SBLOCK::R(D)+B(F)
      • S(e);N_GUARD::S(I)
      • S(e);N_GUARD::S(I),XS(e)
      • P(g);SBLOCK::P(E)
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