MESON Chess Problem Database

Problem Display
PID: 15485 (2K5/2p4Q/5P2/5BP1/3PNk2/2p1nP2/2qB4/4N2b w - - 0 1)

Degener, Udo

1st HM., Schach-Aktiv, 1984

2K5/2p4Q/5P2/5BP1/3PNk2/2p1nP2/2qB4/4N2b

#2

10 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Bh3?
      • threat
        • 2.Qf5#
        • 2.Qh4#
        • 2.Qxc7#
      • 1...Qxe4
        • 2.Qh4#
      • 1...Qxd2
        • 2.Qxc7#
      • 1...Bxf3
        • 2.Qf5#
      • 1...c5
        • 2.Qf5#
        • 2.Qh4#
        • 2.Qc7#
      • 1...c6
        • 2.Qf5#
        • 2.Qh4#
        • 2.Qc7#
      • 1...cxd2!
    • 1.Bg4?
      • threat
        • 2.Qf5#
        • 2.Qh2#
        • 2.Qxc7#
      • 1...Qxd2
        • 2.Qxc7#
      • 1...Bxf3
        • 2.Qf5#
      • 1...cxd2
        • 2.Qh2#
      • 1...c5
        • 2.Qf5#
        • 2.Qh2#
        • 2.Qc7#
      • 1...c6
        • 2.Qf5#
        • 2.Qh2#
        • 2.Qc7#
      • 1...Qxe4!
    • 1.Bg6?
      • threat
        • 2.Qh2#
        • 2.Qh4#
        • 2.Qxc7#
      • 1...Qxe4
        • 2.Qh4#
      • 1...Qxd2
        • 2.Qxc7#
      • 1...cxd2
        • 2.Qh2#
      • 1...c5
        • 2.Qh2#
        • 2.Qh4#
        • 2.Qc7#
      • 1...c6
        • 2.Qh2#
        • 2.Qh4#
        • 2.Qc7#
      • 1...Bxf3!
    • 1.Bd7?
      • threat
        • 2.Qf5#
        • 2.Qh2#
        • 2.Qh4#
      • 1...Qxe4
        • 2.Qh4#
      • 1...Bxf3
        • 2.Qf5#
      • 1...cxd2
        • 2.Qh2#
      • 1...Qxd2!
  • Keys
    • 1.Be6!
      • threat
        • 2.Qf5#
        • 2.Qh2#
        • 2.Qh4#
        • 2.Qxc7#
      • 1...Qxe4
        • 2.Qh4#
      • 1...Qxd2
        • 2.Qxc7#
      • 1...Bxf3
        • 2.Qf5#
      • 1...cxd2
        • 2.Qh2#
      • 1...c5
        • 2.Qf5#
        • 2.Qh2#
        • 2.Qh4#
        • 2.Qc7#
      • 1...c6
        • 2.Qf5#
        • 2.Qh2#
        • 2.Qh4#
        • 2.Qc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(F);
      • Threat
        • DUALS(3)
      • Vars
        • Q(b);XS(E)::QAR2(I)
        • Q(b);N_SPINS(d),XB(B)::QAB(I),XP(f)
        • B(a);XP(C)::QAR1(I)
      • Refutation
        • P(c);N_SPINS(d),XB(B)
    • Try
      • B(F);
      • Threat
        • DUALS(3)
      • Vars
        • Q(b);N_SPINS(d),XB(B)::QAB(I),XP(f)
        • B(a);XP(C)::QAR1(I)
        • P(c);N_SPINS(d),XB(B)::QAB(I)
      • Refutation
        • Q(b);XS(E)
    • Try
      • B(F);
      • Threat
        • DUALS(3)
      • Vars
        • Q(b);XS(E)::QAR2(I)
        • Q(b);N_SPINS(d),XB(B)::QAB(I),XP(f)
        • P(c);N_SPINS(d),XB(B)::QAB(I)
      • Refutation
        • B(a);XP(C)
    • Try
      • B(F);
      • Threat
        • DUALS(3)
      • Vars
        • Q(b);XS(E)::QAR2(I)
        • B(a);XP(C)::QAR1(I)
        • P(c);N_SPINS(d),XB(B)::QAB(I)
      • Refutation
        • Q(b);N_SPINS(d),XB(B)
  • Actual
    • B(F);
    • Threat
      • DUALS(4)
    • Vars
      • Q(b);XS(E)::QAR2(I)
      • Q(b);N_SPINS(d),XB(B)::QAB(I),XP(f)
      • B(a);XP(C)::QAR1(I)
      • P(c);N_SPINS(d),XB(B)::QAB(I)
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