MESON Chess Problem Database

Problem Display
PID: 31252 (5n2/5n1p/8/3BPk2/1K1Q2RP/3p1qPP/b4N2/B7 w - - 0 1)

Mazul, Waldemar

20/21 Place, 06. WCCT, 1998-2000

5n2/5n1p/8/3BPk2/1K1Q2RP/3p1qPP/b4N2/B7

#2

10 + 7

3447 06. WCCT Award 2001

SOLUTION

  • SOUND
  • Sets
    • 1...Qd1
      • 2.Qe4#
      • 2.Qf4#
    • 1...Qh1
      • 2.Qf4#
    • 1...Qe2
      • 2.Qf4#
    • 1...Qg2
      • 2.Qf4#
    • 1...Qe4
      • 2.Qxe4#
    • 1...Qxg4
      • 2.Qxg4#
    • 1...Qxf2
      • 2.Qxf2#
      • 2.Qxd3#
      • 2.Qe4#
    • 1...Qxg3
      • 2.Qe4#
    • 1...Qf4
      • 2.Qxf4#
    • 1...Sxe5
      • 2.Qxe5#
    • 1...Sg5
      • 2.Rxg5#
    • 1...Sd6
      • 2.Rg5#
    • 1...Sh6
      • 2.Rg5#
    • 1...Sd8
      • 2.Rg5#
    • 1...Sh8
      • 2.Rg5#
  • Tries
    • 1.Qxd3+?
      • 1...Qe4+
        • 2.Qxe4#
      • 1...Qxd3!
    • 1.e6?
      • threat
        • 2.Qf6#
      • 1...Qxg4
        • 2.Qxg4#
      • 1...Se5
        • 2.Qxe5#
      • 1...Qe4
        • 2.Qxe4#
      • 1...Qf4
        • 2.Qxf4#
      • 1...Sd7!
  • Keys
    • 1.Qb6!
      • threat
        • 2.Qf6#
      • 1...Qe4+
        • 2.Bxe4#
      • 1...Qxg4+
        • 2.hxg4#
      • 1...Qf4+
        • 2.Rxf4#
      • 1...Sxe5
        • 2.Rg5#
      • 1...Sd6
        • 2.Rg5#
      • 1...Se6
        • 2.Qxe6#
      • 1...Sd7
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 4
    • ADDED MATES = 2
    • REMOVED MATES = 8
  • Sets
    • Q(c);N_GUARD::QAR1(F)
    • Q(c);N_GUARD,P_PINQ(F)::QAB1(F),XQ(c)
    • Q(c);OGATE,P_PINQ(F),XR(G)::QAB1(F),XQ(c)
    • Q(c);N_GUARD,XP(C)::QAB1(F)
    • Q(c);N_GUARD,P_PINQ(F)::QAR1(F),XQ(c)
    • S(e);OGATE,XP(J)::QAR1(F),XS(e)
    • S(e);N_GUARD::R1(G),XS(e)
    • S(e);N_GUARD::R1(G)
  • Tries
    • Try
      • Q(F);CHECK,XP(b)
      • Vars
        • Q(c);CHECK,N_GUARD,P_SPINQ(c)::QAB1(F),XQ(c)
      • Refutation
        • Q(c);XQ(F)
    • Try
      • P(J);
      • Threat
        • QAR1(F)
      • Vars
        • Q(c);OGATE,P_PINQ(F),XR(G)::QAB1(F),XQ(c)
        • S(e);N_GUARD::QAR1(F),XS(e)
        • Q(c);N_GUARD,P_PINQ(F)::QAB1(F),XQ(c)
        • Q(c);N_GUARD,P_PINQ(F)::QAR1(F),XQ(c)
      • Refutation
        • S(g);
  • Actual
    • Q(F);
    • Threat
      • QAR1(F)
    • Vars
      • Q(c);CHECK,N_GUARD::B(I),XQ(c)
      • Q(c);CHECK,OGATE,XR(G)::P(D),XQ(c)
      • Q(c);CHECK,N_GUARD::R1(G),XQ(c)
      • S(e);N_GUARD,XP(J)::R1(G)
      • S(e);N_GUARD::R1(G)
      • S(g);N_GUARD::QAB1(F),XS(g)
      • S(g);N_GUARD::QAB1(F)
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