MESON Chess Problem Database

Problem Display
PID: 199426 (6B1/5pKn/rn3p1Q/1R1bk2p/p2N1pP1/B2p1p2/3N1P2/7q w - - 0 1)

Pituk, Alexander

Freie Presse, 2001

(First published on Fri Sep 28 2001)

6B1/5pKn/rn3p1Q/1R1bk2p/p2N1pP1/B2p1p2/3N1P2/7q

#2

9 + 13

16210 Problemschach-Jahrbuch (2001) 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd4
      • 2.Bb2#
    • 1...Sg5
      • 2.Qxf6#
    • 1...Sf8
      • 2.Qxf6#
    • 1...f5
      • 2.Sc6#
  • Tries
    • 1.Bxf7?
      • threat
        • 2.Sc6#
      • 1...Kxd4
        • 2.Bb2#
      • 1...Qc1
        • 2.S4xf3#
      • 1...Sc4
        • 2.Rxd5#
      • 1...Sd7
        • 2.Rxd5#
      • 1...Sa8
        • 2.Rxd5#
      • 1...Sc8
        • 2.Rxd5#
      • 1...hxg4!
    • 1.Qxh7?
      • threat
        • 2.Qe4#
      • 1...Kxd4
        • 2.Bb2#
      • 1...Qe1
        • 2.S2xf3#
      • 1...f5!
  • Keys
    • 1.Qg6!
      • threat
        • 2.Qe4#
      • 1...Kxd4
        • 2.Bb2#
      • 1...fxg6
        • 2.Sc6#
      • 1...Qe1
        • 2.S2xf3#
      • 1...Sg5
        • 2.Qxf6#
      • 1...f5
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(g);N_SPINB(f),OGATEB,S_FLIGHT,XS(D)::B(C)
    • S(m);N_GUARD::QAB1(G),XP(k)
    • P(k);::S(D)
  • Tries
    • Try
      • B(I);XP(l)
      • Threat
        • S(D)
      • Vars
        • K(g);N_SPINB(f),OGATEB,S_FLIGHT,XS(D)::B(C)
        • Q(a);N_GUARD::S(D),XP(c)
        • S(j);N_GUARD::R1(F),XB(f)
      • Refutation
        • P(h);XP(E)
    • Try
      • Q(G);XS(m)
      • Threat
        • QAR1(G)
      • Vars
        • K(g);N_SPINB(f),OGATEB,S_FLIGHT,XS(D)::B(C)
        • Q(a);N_GUARD::S(A),XP(c)
      • Refutation
        • P(k);
  • Actual
    • Q(G);
    • Threat
      • QAR1(G)
    • Vars
      • K(g);N_SPINB(f),OGATEB,S_FLIGHT,XS(D)::B(C)
      • P(l);XQ(G)::S(D)
      • Q(a);N_GUARD::S(A),XP(c)
      • S(m);N_GUARD::QAB1(G),XP(k)
      • P(k);::S(D)
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