MESON Chess Problem Database

Problem Display
PID: 136329 (7Q/2b1N3/4p3/4N2K/4k3/4P3/8/2B1R3 w - - 0 1)

Paslack, Rainer

Neue Osnabrucker Zeitung, 1999

7Q/2b1N3/4p3/4N2K/4k3/4P3/8/2B1R3

#2

7 + 3

14503 Problemschach-Jahrbuch (1999) 2000

SOLUTION

  • SOUND
  • Tries
    • 1.Bb2?
      • threat
        • 2.Qh7#
        • 2.Qa8#
      • 1...Bb8
        • 2.Qh7#
      • 1...Bd8
        • 2.Qh7#
      • 1...Bxe5!
    • 1.Rd1?
      • threat
        • 2.Rd4#
      • 1...Bxe5
        • 2.Qa8#
      • 1...Bb6!
    • 1.Qh6?
      • threat
        • 2.Qf4#
      • 1...Kxe5
        • 2.Qf4#
      • 1...Bxe5!
    • 1.Qf8?
      • threat
        • 2.Qf4#
      • 1...Kxe5
        • 2.Qf4#
      • 1...Bxe5!
  • Keys
    • 1.Rf1!
      • threat
        • 2.Rf4#
      • 1...Bxe5
        • 2.Qh7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);
      • Threat
        • DUALS(2)
      • Vars
        • B(c);::QAB(G)
      • Refutation
        • B(c);XS(D)
    • Try
      • R(B);
      • Threat
        • R1(B)
      • Vars
        • B(c);SBLOCK,XS(D)::QAB(G)
      • Refutation
        • B(c);
    • Try
      • Q(G);
      • Threat
        • QAR1(G)
      • Vars
        • K(a);P-FLIGHT,XS(D)::QAB1(G)
      • Refutation
        • B(c);XS(D)
    • Try
      • Q(G);
      • Threat
        • QAR1(G)
      • Vars
        • K(a);P-FLIGHT,XS(D)::QAB1(G)
      • Refutation
        • B(c);XS(D)
  • Actual
    • R(B);
    • Threat
      • R1(B)
    • Vars
      • B(c);SBLOCK,XS(D)::QAB(G)
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