MESON Chess Problem Database

Problem Display
PID: 186863 (2n4K/2nN4/3p3p/2Bk4/2pN1Pp1/4Q3/2B1P3/1b5q w - - 0 1)

Mira-Kraft, Edwin

Freie Presse, 2000

(First published on Fri Sep 15 2000)

2n4K/2nN4/3p3p/2Bk4/2pN1Pp1/4Q3/2B1P3/1b5q

#2

8 + 9

15391 Problemschach-Jahrbuch (2000) 2001

SOLUTION

  • SOUND
  • Sets
    • 1...Qe4
      • 2.Qxe4#
    • 1...Qc1
      • 2.Qe4#
    • 1...Qd1
      • 2.Qe4#
    • 1...Qe1
      • 2.Qe4#
    • 1...Qf1
      • 2.Qe4#
    • 1...Qg1
      • 2.Qe4#
    • 1...Qh2
      • 2.Qe4#
    • 1...Qh3
      • 2.Qe4#
    • 1...Qh4
      • 2.Qe4#
    • 1...Qh5
      • 2.Qe4#
    • 1...Sb5
      • 2.Qe6#
    • 1...Sa6
      • 2.Qe6#
    • 1...Se6
      • 2.Qxe6#
    • 1...Sa8
      • 2.Qe6#
    • 1...Se8
      • 2.Qe6#
    • 1...c3
      • 2.Bb3#
    • 1...dxc5
      • 2.Qe5#
  • Tries
    • 1.Ba3?
      • threat
        • 2.Sf6#
      • 1...c3
        • 2.Bb3#
      • 1...Qh4
        • 2.Qe4#
      • 1...Se8!
    • 1.Bb4?
      • threat
        • 2.Sf6#
      • 1...c3
        • 2.Bb3#
      • 1...Qh4
        • 2.Qe4#
      • 1...Se8!
    • 1.Bb6?
      • threat
        • 2.Sf6#
      • 1...c3
        • 2.Bb3#
      • 1...Qh4
        • 2.Qe4#
      • 1...Se8
        • 2.Qe6#
      • 1...Sxb6!
    • 1.Qf3+?
      • 1...gxf3
        • 2.e4#
      • 1...Qxf3!
  • Keys
    • 1.Qa3!
      • threat
        • 2.Sf6#
      • 1...dxc5
        • 2.Qxc5#
      • 1...c3
        • 2.Qb3#
      • 1...Qh4
        • 2.e4#
      • 1...Se8
        • 2.Qa8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 4
    • ADDED MATES = 0
    • REMOVED MATES = 13
  • Sets
    • Q(b);N_GUARD::QAB1(C),XQ(b)
    • Q(b);N_GUARD::QAB1(C)
    • S(h);N_GUARD::QAB1(C)
    • S(h);N_GUARD::QAB1(C),XS(h)
    • P(c);OGATEB::B(A)
    • P(f);N_GUARD,XB(F)::QAR1(C)
  • Tries
    • Try
      • B(F);
      • Threat
        • S(G)
      • Vars
        • P(c);OGATEB::B(A)
        • Q(b);N_GUARD::QAB1(C)
      • Refutation
        • S(h);
    • Try
      • B(F);
      • Threat
        • S(G)
      • Vars
        • P(c);OGATEB::B(A)
        • Q(b);N_GUARD::QAB1(C)
      • Refutation
        • S(h);
    • Try
      • B(F);
      • Threat
        • S(G)
      • Vars
        • P(c);OGATEB::B(A)
        • Q(b);N_GUARD::QAB1(C)
        • S(h);N_GUARD::QAB1(C)
      • Refutation
        • S(i);XB(F)
    • Try
      • Q(C);CHECK
      • Vars
        • P(d);XQ(C)::P(B)
      • Refutation
        • Q(b);XQ(C)
  • Actual
    • Q(C);
    • Threat
      • S(G)
    • Vars
      • P(f);OGATE,XB(F)::QAR1(C),XP(f)
      • P(c);OGATEB::QAB(C)
      • Q(b);N_GUARD::P(B)
      • S(h);N_GUARD::QAB(C)
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