MESON Chess Problem Database

Problem Display
PID: 41101 (N2q3b/3B4/4P3/3k3r/pPN3R1/5p2/K2P3p/2RQ3b w - - 0 1)

Lindner, Laszlo

Belfort, 1994

N2q3b/3B4/4P3/3k3r/pPN3R1/5p2/K2P3p/2RQ3b

#2

10 + 8

4080 Mattbilder eines Lebens 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Qh4
      • 2.Sab6#
      • 2.Sc7#
    • 1...Qg5
      • 2.Sab6#
      • 2.Sc7#
    • 1...Qb6
      • 2.Saxb6#
    • 1...Qf6
      • 2.Sab6#
      • 2.Sc7#
    • 1...Qc7
      • 2.Sxc7#
    • 1...Qe7
      • 2.Sab6#
      • 2.Sc7#
    • 1...Qc8
      • 2.Sab6#
    • 1...Qe8
      • 2.Sab6#
      • 2.Sc7#
    • 1...Qf8
      • 2.Sab6#
      • 2.Sc7#
    • 1...Qg8
      • 2.Sab6#
      • 2.Sc7#
    • 1...Bc3
      • 2.dxc3#
    • 1...f2
      • 2.Qxh1#
  • Tries
    • 1.Qc2?
      • threat
        • 2.Qe4#
      • 1...Re5
        • 2.Qd3#
      • 1...f2!
    • 1.Qe1?
      • threat
        • 2.Qe4#
      • 1...f2
        • 2.Qxh1#
      • 1...Re5!
  • Keys
    • 1.Qxa4!
      • threat
        • 2.Qb5#
        • 2.Qc6#
      • 1...Qxd7
        • 2.Qxd7#
      • 1...Qxa8
        • 2.Qxa8#
      • 1...Qa5
        • 2.Qxa5#
      • 1...Qb6
        • 2.Saxb6#
      • 1...Qc7
        • 2.Sxc7#
      • 1...Qe7
        • 2.Sab6#
        • 2.Sc7#
        • 2.Qc6#
      • 1...Qb8
        • 2.Qc6#
      • 1...Qc8
        • 2.Sab6#
      • 1...Qf8
        • 2.Sab6#
        • 2.Sc7#
        • 2.Qc6#
      • 1...Bd4
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 2
  • Sets
    • Q(g);N_GUARD::S(J),XQ(g)
    • Q(g);N_GUARD::S(J)
    • B(h);OGATE::QAR(B)+P(D),XB(h)
    • P(c);OGATEB::QAB(B),XB(a)
  • Tries
    • Try
      • Q(B);
      • Threat
        • QAB1(B)
      • Vars
        • R(f);S_CUTB(h)::QAR2(B)
      • Refutation
        • P(c);
    • Try
      • Q(B);
      • Threat
        • QAB1(B)
      • Vars
        • P(c);OGATEB::QAB(B),XB(a)
      • Refutation
        • R(f);
  • Actual
    • Q(B);XP(d)
    • Threat
      • DUALS(2)
    • Vars
      • Q(g);OGATE,XB(I)::QAR2(B),XQ(g)
      • Q(g);OGATE,P_PINQ(B),XS(J)::QAB(B),XQ(g)
      • Q(g);N_GUARD,P_PINQ(B)::QAR(B),XQ(g)
      • Q(g);N_GUARD::S(J),XQ(g)
      • Q(g);::QAB1(B)
      • Q(g);N_GUARD::S(J)
      • B(h);::QAB1(B)
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