MESON Chess Problem Database

Problem Display
PID: 103235 (2Q3b1/qp6/1BNp4/n1Nk1p2/1Pp1pPP1/1n6/3bB3/7K w - - 0 1)

Mazul, Waldemar

Lipsko 98, 1998

2Q3b1/qp6/1BNp4/n1Nk1p2/1Pp1pPP1/1n6/3bB3/7K

#2

9 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sd4
      • 2.Se7#
    • 1...e3
      • 2.Bf3#
    • 1...dxc5
      • 2.Qd7#
  • Tries
    • 1.Sxb3?
      • threat
        • 2.Se7#
      • 1...Sxc6
        • 2.Qxg8#
      • 1...bxc6
        • 2.Qxf5#
      • 1...e3
        • 2.Bf3#
      • 1...Bxf4!
    • 1.Sa4?
      • threat
        • 2.Se7#
      • 1...Qxb6
        • 2.Sxb6#
      • 1...Bxf4
        • 2.Sc3#
      • 1...Sxc6
        • 2.Qxg8#
      • 1...bxc6
        • 2.Qxf5#
      • 1...e3
        • 2.Bf3#
      • 1...Sc5!
    • 1.Se6?
      • threat
        • 2.Se7#
      • 1...Bxf4
        • 2.Sxf4#
      • 1...Sxc6
        • 2.Sc7#
      • 1...e3
        • 2.Bf3#
      • 1...bxc6!
  • Keys
    • 1.Sxe4!
      • threat
        • 2.Sf6#
      • 1...Kxe4
        • 2.Qxf5#
      • 1...fxe4
        • 2.Se7#
      • 1...Bc3
        • 2.Sxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • S(b);SBLOCK::S(H)
    • P(d);OGATEB::B(B)
    • P(h);OGATEB,XS(F)::QAR2(I)
  • Tries
    • Try
      • S(F);XS(b)
      • Threat
        • S(H)
      • Vars
        • S(e);SBLOCK,XS(H)::QAB(I),XB(k)
        • P(j);SBLOCK,XS(H)::QAR2(I),XP(g)
        • P(d);OGATEB::B(B)
      • Refutation
        • B(a);XP(D)
    • Try
      • S(F);
      • Threat
        • S(H)
      • Vars
        • Q(i);XB(G)::S(F),XQ(i)
        • B(a);N_GUARD,XP(D)::S(F)
        • S(e);SBLOCK,XS(H)::QAB(I),XB(k)
        • P(j);SBLOCK,XS(H)::QAR2(I),XP(g)
        • P(d);OGATEB::B(B)
      • Refutation
        • S(b);
    • Try
      • S(F);
      • Threat
        • S(H)
      • Vars
        • B(a);XP(D)::S(F),XB(a)
        • S(e);SBLOCK,XS(H)::S(F)
        • P(d);OGATEB::B(B)
      • Refutation
        • P(j);XS(H)
  • Actual
    • S(F);XP(d)
    • Threat
      • S(F)
    • Vars
      • K(f);S_FLIGHT,XS(F)::QAB1(I),XP(g)
      • P(g);SBLOCK,XS(F)::S(H)
      • B(a);N_GUARD::S(F),XB(a)
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