MESON Chess Problem Database

Problem Display
PID: 199582 (4n3/5pq1/2b2N2/4p2r/6p1/1N1Bk1Kp/R1Pp4/Qn6 w - - 0 1)

Mira-Kraft, Edwin

Gambit-Revue, 2001

4n3/5pq1/2b2N2/4p2r/6p1/1N1Bk1Kp/R1Pp4/Qn6

#2

7 + 11

16210 Problemschach-Jahrbuch (2001) 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Qh6
      • 2.Sxg4#
    • 1...Qf8
      • 2.Sxg4#
    • 1...Qh8
      • 2.Sxg4#
    • 1...Qh7
      • 2.Sxg4#
    • 1...Ba4
      • 2.Sd5#
    • 1...Bb5
      • 2.Sd5#
    • 1...Bd5
      • 2.Sxd5#
    • 1...Bd7
      • 2.Sd5#
    • 1...Sa3
      • 2.Qg1#
    • 1...Sc3
      • 2.Qg1#
    • 1...e4
      • 2.Qd4#
  • Tries
    • 1.Sa5?
      • threat
        • 2.Sc4#
      • 1...Sc3
        • 2.Qg1#
      • 1...Bb5
        • 2.Sd5#
      • 1...Bd5
        • 2.Sxd5#
      • 1...Sa3
        • 2.Qg1#
      • 1...Sd6!
    • 1.Rb2?
      • threat
        • 2.Qa7#
      • 1...Qf8
        • 2.Sxg4#
      • 1...Ba4
        • 2.Sd5#
      • 1...Sa3
        • 2.Qg1#
      • 1...e4!
    • 1.Qc3?
      • threat
        • 2.Qc5#
      • 1...Qf8
        • 2.Sxg4#
      • 1...e4
        • 2.Qd4#
      • 1...Sxc3!
    • 1.Qxe5+?
      • 1...Be4
        • 2.Sd5#
        • 2.Qd4#
        • 2.Qf4#
        • 2.Qxe4#
      • 1...Rxe5!
  • Keys
    • 1.Ra8!
      • threat
        • 2.Qa7#
      • 1...Qf8
        • 2.Sxg4#
      • 1...Ba4
        • 2.Sd5#
      • 1...Sa3
        • 2.Qg1#
      • 1...e4
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 7
  • Sets
    • Q(j);N_GUARD::S(G),XP(e)
    • B(h);N_GUARD::S(G)
    • B(h);N_GUARD::S(G),XB(h)
    • S(a);OGATE::QAB(A)
    • P(f);N_GUARD::QAB1(A)
  • Tries
    • Try
      • S(D);
      • Threat
        • S(D)
      • Vars
        • S(a);OGATE::QAB(A)
        • B(h);N_GUARD::S(G)
        • B(h);N_GUARD::S(G),XB(h)
      • Refutation
        • S(k);
    • Try
      • R(B);
      • Threat
        • QAB(A)
      • Vars
        • Q(j);N_GUARD::S(G),XP(e)
        • B(h);N_GUARD::S(G)
        • S(a);OGATE::QAB(A)
      • Refutation
        • P(f);
    • Try
      • Q(A);
      • Threat
        • QAB(A)
      • Vars
        • Q(j);N_GUARD::S(G),XP(e)
        • P(f);N_GUARD::QAB1(A)
      • Refutation
        • S(a);XQ(A)
    • Try
      • Q(A);CHECK,XP(f)
      • Refutation
        • R(g);XQ(A)
  • Actual
    • R(B);
    • Threat
      • QAB(A)
    • Vars
      • Q(j);N_GUARD::S(G),XP(e)
      • B(h);N_GUARD::S(G)
      • S(a);OGATE::QAB(A)
      • P(f);N_GUARD::QAB1(A)
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