MESON Chess Problem Database

Problem Display
PID: 159135 (q7/1pp2p2/5Q1R/p2kpB1b/5b2/1P2BN2/4PP2/5K2 w - - 0 1)

Mira-Kraft, Edwin

Kieler Nachrichten, 2000

q7/1pp2p2/5Q1R/p2kpB1b/5b2/1P2BN2/4PP2/5K2

#2

9 + 9

15391 Problemschach-Jahrbuch (2000) 2001

SOLUTION

  • SOUND
  • Sets
    • 1...Qa7
      • 2.Qd8#
    • 1...Qd8
      • 2.Qxd8#
    • 1...Bxe3
      • 2.Qxe5#
    • 1...Bg5
      • 2.Qxe5#
    • 1...Bxf3
      • 2.Qxf7#
    • 1...Bg4
      • 2.Qxf7#
    • 1...e4
      • 2.Qd4#
    • 1...c5
      • 2.Qd6#
    • 1...c6
      • 2.Qd6#
  • Tries
    • 1.Qe7?
      • threat
        • 2.Qc5#
        • 2.Qd7#
      • 1...Bxe3
        • 2.Qxe5#
      • 1...Qa6
        • 2.Qc5#
      • 1...Qa7
        • 2.Qd8#
        • 2.Qd7#
      • 1...Qc8
        • 2.Qc5#
      • 1...Qd8
        • 2.Qc5#
        • 2.Qxd8#
      • 1...Qe8
        • 2.Qc5#
      • 1...e4
        • 2.Bxe4#
        • 2.Qc5#
        • 2.Qxe4#
      • 1...b6
        • 2.Qd7#
      • 1...c5
        • 2.Rd6#
        • 2.Qxc5#
        • 2.Qd6#
        • 2.Qd7#
      • 1...Qf8!
  • Keys
    • 1.Bb6!
      • threat
        • 2.e4#
      • 1...Bxf3
        • 2.Qxf7#
      • 1...cxb6
        • 2.Qd6#
      • 1...Qa6
        • 2.Qd8#
      • 1...Be3
        • 2.Qxe5#
      • 1...e4
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • Q(i);N_GUARD::QAR(H)
    • Q(i);N_GUARD::QAR(H),XQ(i)
    • B(a);N_GUARD,XB(E)::QAR1(H),XP(d)
    • B(a);N_GUARD::QAR1(H),XP(d)
    • B(e);N_GUARD,XS(F)::QAB(H),XP(h)
    • B(e);N_GUARD::QAB(H),XP(h)
    • P(d);OGATE::QAR1(H)
    • P(g);N_GUARD::QAR1(H)
  • Tries
    • Try
      • Q(H);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);N_GUARD,XB(E)::QAR1(H),XP(d)
        • Q(i);P_PINP(B)::QAR1(H)
        • Q(i);::QAR1(H)
        • P(f);::QAR2(H)
      • Refutation
        • Q(i);
  • Actual
    • B(E);
    • Threat
      • P(B)
    • Vars
      • B(e);N_GUARD,XS(F)::QAB(H),XP(h)
      • P(g);N_GUARD,XB(E)::QAR1(H)
      • Q(i);N_GUARD,P_PINP(B)::QAR(H)
      • B(a);N_GUARD::QAR1(H),XP(d)
      • P(d);OGATE::QAR1(H)
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