MESON Chess Problem Database

Problem Display
PID: 243841 (1n1N4/3pQp2/p1p1P2r/N2k3p/5P2/p3P3/qpB3bK/8 w - - 0 1)

Chepizhni, Viktor Ivanovich

Kudesnik, 2009

1n1N4/3pQp2/p1p1P2r/N2k3p/5P2/p3P3/qpB3bK/8

#2

8 + 12

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sab7?
      • threat
        • 2.Qc5#
      • 1...Kc4
        • 2.Qc5#
      • 1...Qc4
        • 2.Qd6#
      • 1...c5
        • 2.Qxc5#
      • 1...d6!
    • 1.Sxf7?
      • threat
        • 2.Qd6#
      • 1...d6
        • 2.Qxd6#
      • 1...Rxe6!
    • 1.Qb4?
      • threat
        • 2.Qd4#
      • 1...c5
        • 2.Qd2#
      • 1...Qc4!
    • 1.exf7?
      • threat
        • 2.Qe5#
      • 1...d6
        • 2.Qg5#
      • 1...Re6!
  • Keys
    • 1.Sdb7!
      • threat
        • 2.Qd6#
      • 1...Rxe6
        • 2.Qc5#
      • 1...d6
        • 2.Qxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Threat
        • QAR1(G)
      • Vars
        • K(e);S_FLIGHT::QAR1(G)
        • Q(a);SBLOCK::QAR1(G)
        • P(h);::QAR1(G),XP(h)
      • Refutation
        • P(j);
    • Try
      • S(H);XP(k)
      • Threat
        • QAR1(G)
      • Vars
        • P(j);::QAR1(G),XP(j)
      • Refutation
        • R(i);XP(F)
    • Try
      • Q(G);
      • Threat
        • QAR1(G)
      • Vars
        • P(h);SBLOCK::QAR(G)
      • Refutation
        • Q(a);
    • Try
      • P(F);XP(k)
      • Threat
        • QAR1(G)
      • Vars
        • P(j);SBLOCK::QAR(G)
      • Refutation
        • R(i);
  • Actual
    • S(H);
    • Threat
      • QAR1(G)
    • Vars
      • R(i);SBLOCK,XP(F)::QAR1(G)
      • P(j);::QAR1(G),XP(j)
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