MESON Chess Problem Database

Problem Display
PID: 15762 (6b1/1p2Q3/P2ppPB1/p2k4/3N1b2/BP1N4/6pq/K2R4 w - - 0 1)

Sovik, Stefan

2nd Prize, Seletsky MT, 1987

6b1/1p2Q3/P2ppPB1/p2k4/3N1b2/BP1N4/6pq/K2R4

#2

10 + 9

3297 FIDE Album (1986-1988) 1995

SOLUTION

  • SOUND
  • Sets
    • 1...e5
      • 2.Qxd6#
  • Tries
    • 1.Sb4+?
      • 1...Kc5
        • 2.Qc7#
      • 1...Ke5
        • 2.Sf3#
      • 1...axb4!
    • 1.Sxf4+?
      • 1...Ke5
        • 2.Bxd6#
      • 1...Qxf4!
    • 1.Sf3?
      • threat
        • 2.Qxb7#
      • 1...Be5+
        • 2.Sdxe5#
      • 1...Kc6
        • 2.Qxb7#
      • 1...bxa6
        • 2.Qb7#
      • 1...e5
        • 2.Qxd6#
      • 1...b5
        • 2.Qb7#
      • 1...b6
        • 2.Qb7#
      • 1...Qh7!
    • 1.Bb2?
      • threat
        • 2.Qxb7#
      • 1...bxa6
        • 2.Qb7#
      • 1...b5
        • 2.Qb7#
      • 1...b6
        • 2.Qb7#
      • 1...Qh7!
    • 1.Bc5?
      • threat
        • 2.Qxb7#
      • 1...dxc5
        • 2.Qxc5#
      • 1...bxa6
        • 2.Qb7#
      • 1...b5
        • 2.Qb7#
      • 1...b6
        • 2.Qb7#
      • 1...Qh7!
    • 1.Qxe6+?
      • 1...Kxd4
        • 2.Bb2#
      • 1...Bxe6!
  • Keys
    • 1.Se5!
      • threat
        • 2.Qxd6#
      • 1...Kxe5
        • 2.Sf3#
      • 1...Bxe5
        • 2.Qxb7#
      • 1...dxe5
        • 2.Qc5#
        • 2.Qd6#
        • 2.Qd8#
        • 2.Qxb7#
        • 2.Qd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • P(g);S_CUTB(c)::QAR1(J),XP(f)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(e);P-FLIGHT,P_SPINP(f)::QAR2(J)
        • K(e);P-FLIGHT,P_SPINP(g)::S(F)
      • Refutation
        • P(d);XS(E)
    • Try
      • S(E);CHECK,XB(c)
      • Vars
        • K(e);P-FLIGHT,P_SPINP(g)::B(C),XP(f)
      • Refutation
        • Q(b);XS(E)
    • Try
      • S(F);
      • Threat
        • QAB(J),XP(h)
      • Vars
        • B(c);CHECK,N_GUARD::R(B)+S(E),XB(c)
        • K(e);S_FLIGHT::QAB1(J),XP(h)
        • P(h);XP(G)::QAB(J)
        • P(g);S_CUTB(c)::QAR1(J),XP(f)
        • P(h);::QAB(J)
      • Refutation
        • Q(b);
    • Try
      • B(C);
      • Threat
        • QAB(J),XP(h)
      • Vars
        • P(h);XP(G)::QAB(J)
        • P(h);::QAB(J)
      • Refutation
        • Q(b);
    • Try
      • B(C);
      • Threat
        • QAB(J),XP(h)
      • Vars
        • P(f);OGATE,XB(C)::QAR1(J),XP(f)
        • P(h);XP(G)::QAB(J)
        • P(h);::QAB(J)
      • Refutation
        • Q(b);
    • Try
      • Q(J);CHECK,XP(g)
      • Vars
        • K(e);P-FLIGHT,XS(F)::B(C)
      • Refutation
        • B(i);XQ(J)
  • Actual
    • S(E);
    • Threat
      • QAR1(J),XP(f)
    • Vars
      • K(e);P-FLIGHT,P_SPINP(g),XS(E)::S(F)
      • B(c);P_PINS(F),SBLOCK,XS(E)::QAB(J),XP(h)
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