MESON Chess Problem Database

Problem Display
PID: 80381 (1b1N1r2/3p4/1P1kP1N1/3p1p1n/1P6/K1pQp1r1/b1RP3B/4R3 w - - 0 1)

Maleika, Gerhard

Freie Presse, 1994

1b1N1r2/3p4/1P1kP1N1/3p1p1n/1P6/K1pQp1r1/b1RP3B/4R3

#2

11 + 11

6114 Problemschach-Jahrbuch (1994) 1995

SOLUTION

  • SOUND
  • Tries
    • 1.Qb5?
      • threat
        • 2.Qxd7#
        • 2.Qc5#
      • 1...dxe6
        • 2.Sb7#
        • 2.Qc6#
      • 1...Rf7
        • 2.Qc5#
      • 1...Sf6
        • 2.Qc5#
      • 1...Rxd8!
    • 1.Qxc3?
      • threat
        • 2.Qe5#
        • 2.Qc5#
      • 1...Rxd8
        • 2.Qe5#
      • 1...exd2
        • 2.Sb7#
      • 1...dxe6
        • 2.Qc6#
      • 1...d4
        • 2.Qc5#
      • 1...Bc4
        • 2.Qe5#
      • 1...e2!
  • Keys
    • 1.Qxe3!
      • threat
        • 2.Qc5#
        • 2.Qe5#
      • 1...Rxd8
        • 2.Qc5#
      • 1...cxd2
        • 2.Sb7#
      • 1...dxe6
        • 2.Qxe6#
      • 1...d4
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);N_PINP(e)
      • Threat
        • DUALS(2)
      • Vars
        • R(k);::QAB1(F)
        • S(g);::QAB1(F)
      • Refutation
        • R(k);XS(K)
    • Try
      • Q(F);N_PINP(e),XP(b)
      • Threat
        • DUALS(2)
      • Vars
        • R(k);XS(K)::QAB1(F)
        • P(c);P_PINQ(F),XP(C)::S(K)
        • P(i);N_GUARD,XP(I)::QAR1(F)
        • P(e);::QAB1(F)
        • B(a);::QAB1(F)
      • Refutation
        • P(c);P_PINQ(F)
  • Actual
    • Q(F);N_PINP(e),XP(c)
    • Threat
      • DUALS(2)
    • Vars
      • R(k);XS(K)::QAB1(F)
      • P(b);P_PINQ(F),XP(C)::S(K)
      • P(i);OGATE,XP(I)::QAR1(F),XP(i)
      • P(e);::QAB1(F)
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