MESON Chess Problem Database

Problem Display
PID: 135610 (1N1nR2q/8/1p1P1nQ1/B5Rr/p1pkP1P1/r2P1pKp/5P2/4N3 w - - 0 1)

Bunka, Vladislav

Rhein-Main Presse, 1999

1N1nR2q/8/1p1P1nQ1/B5Rr/p1pkP1P1/r2P1pKp/5P2/4N3

#2

12 + 11

14503 Problemschach-Jahrbuch (1999) 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Qh7
      • 2.Qxf6#
    • 1...Qg8
      • 2.Qxf6#
    • 1...Rc3
      • 2.Bxb6#
    • 1...Rxd3
      • 2.Sc2#
    • 1...Sxe4+
      • 2.Rxe4#
      • 2.Qxe4#
    • 1...Sc6
      • 2.Sxc6#
    • 1...Se6
      • 2.Sc6#
    • 1...Sb7
      • 2.Sc6#
    • 1...Sf7
      • 2.Sc6#
    • 1...c3
      • 2.Bxb6#
  • Keys
    • 1.Qf7!
      • threat
        • 2.Qxc4#
      • 1...Sxe4+
        • 2.Rxe4#
      • 1...Rxd3
        • 2.Sc2#
      • 1...Sxf7
        • 2.Sc6#
      • 1...cxd3
        • 2.Sxf3#
      • 1...Sd5
        • 2.Qxd5#
      • 1...Qg8
        • 2.Qxf6#
      • 1...Rc3
        • 2.Bxb6#
      • 1...Se6
        • 2.Sc6#
      • 1...c3
        • 2.Bxb6#
        • 2.Qc4#
      • 1...b5
        • 2.Qa7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 4
  • Sets
    • Q(k);N_GUARD::QAB(J),XS(i)
    • R(a);SBLOCK::B(G),XP(h)
    • R(a);SBLOCK,XP(C)::S(A)
    • S(j);N_GUARD::S(K),XS(j)
    • S(j);N_GUARD::S(K)
    • P(e);SBLOCK::B(G),XP(h)
  • Actual
    • Q(J);
    • Threat
      • QAR1(J),XP(e)
    • Vars
      • S(i);CHECK,OGATE,XP(E)::R1(L),XS(i)
      • R(a);SBLOCK,XP(C)::S(A)
      • S(j);N_GUARD,XQ(J)::S(K)
      • P(e);SBLOCK,XP(C)::S(A),XP(b)
      • S(i);N_GUARD::QAR1(J),XS(i)
      • Q(k);N_GUARD::QAB(J),XS(i)
      • R(a);SBLOCK::B(G),XP(h)
      • S(j);N_GUARD::S(K)
      • P(h);OGATEB::QAB(J)
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