MESON Chess Problem Database

Problem Display
PID: 107582 (5Q2/2p2N2/3N4/q1p3P1/R2p1kBK/2p1r2p/3Bn3/2b1r3 w - - 0 1)

Apro, Laszlo

Mat, 1975

5Q2/2p2N2/3N4/q1p3P1/R2p1kBK/2p1r2p/3Bn3/2b1r3

#2

8 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Qe7!
      • threat
        • 2.Qf6#
        • 2.Qxe3#
        • 2.Qe4#
        • 2.Qe5#
      • 1...Qxa4
        • 2.Qf6#
        • 2.Qe4#
        • 2.Qe5#
      • 1...Bxd2
        • 2.Qf6#
      • 1...cxd2
        • 2.Qf6#
      • 1...cxd6
        • 2.Qxe3#
      • 1...Qb4
        • 2.Qf6#
        • 2.Qe4#
        • 2.Qe5#
      • 1...Qa8
        • 2.Qf6#
        • 2.Qxe3#
        • 2.Qe5#
      • 1...Sg1
        • 2.Qf6#
        • 2.Qe4#
        • 2.Qe5#
      • 1...Sg3
        • 2.Qe5#
      • 1...c4
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(H);
    • Threat
      • DUALS(4)
    • Vars
      • B(a);N_SPINR(e),XB(A)::QAR2(H)
      • P(d);N_SPINR(e),XB(A)::QAR2(H)
      • P(k);XS(F)::QAB1(H),XR(e)
      • S(c);::QAB1(H)
      • P(j);N_SPINP(g)::QAR1(H)
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