MESON Chess Problem Database

Problem Display
PID: 15247 (BB4b1/6b1/QK3p2/3p4/1P1kP1Nr/1Pp5/5N2/4n3 w - - 0 1)

Weinberger, Gerhard

1st Prize, Schach-Aktiv, 1981

BB4b1/6b1/QK3p2/3p4/1P1kP1Nr/1Pp5/5N2/4n3

#2

9 + 8

14730 Problempalette II (Chlubna/Wenda) 1991

SOLUTION

  • SOUND
  • Sets
    • 1...Sc2
      • 2.Qd3#
    • 1...Sg2
      • 2.Qd3#
    • 1...Sd3
      • 2.Qxd3#
    • 1...Sf3
      • 2.Qd3#
    • 1...c2
      • 2.Qa1#
  • Tries
    • 1.Ka5?
      • threat
        • 2.Ba7#
        • 2.Qb6#
        • 2.Qa7#
      • 1...Rxg4
        • 2.Qb6#
        • 2.Qa7#
      • 1...Bf8
        • 2.Qxf6#
      • 1...Sd3
        • 2.Qxd3#
      • 1...c2!
    • 1.Kb5?
      • threat
        • 2.Ba7#
        • 2.Qb6#
        • 2.Qa7#
      • 1...Rxg4
        • 2.Qb6#
        • 2.Qa7#
      • 1...c2
        • 2.Qa1#
      • 1...Bf8
        • 2.Qxf6#
      • 1...Sd3!
    • 1.Kc6?
      • threat
        • 2.Ba7#
        • 2.Qb6#
        • 2.Qa7#
      • 1...Rxg4
        • 2.Qb6#
        • 2.Qa7#
      • 1...c2
        • 2.Qa1#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Bf8!
    • 1.Kb7?
      • threat
        • 2.Ba7#
        • 2.Qb6#
        • 2.Qa7#
      • 1...Rxg4
        • 2.Qb6#
        • 2.Qa7#
      • 1...c2
        • 2.Qa1#
      • 1...Bf8
        • 2.Qxf6#
      • 1...Sd3
        • 2.Qxd3#
      • 1...dxe4!
    • 1.Kc7?
      • threat
        • 2.Ba7#
        • 2.Qb6#
        • 2.Qa7#
      • 1...c2
        • 2.Qa1#
      • 1...Bf8
        • 2.Qxf6#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Rxg4!
    • 1.Qb5?
      • threat
        • 2.Qc5#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Bf8!
  • Keys
    • 1.Ka7!
      • threat
        • 2.Qb6#
      • 1...c2
        • 2.Qa1#
      • 1...Bf8
        • 2.Qxf6#
      • 1...Sd3
        • 2.Qxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • S(a);N_GUARD::QAR1(F)
    • S(a);N_GUARD::QAR1(F),XS(a)
    • P(b);OGATEB::QAB(F)
  • Tries
    • Try
      • K(G);S_FLIGHT
      • Threat
        • DUALS(3)
      • Vars
        • B(g);N_GUARD::QAB(F),XP(f)
        • S(a);N_GUARD::QAR1(F),XS(a)
      • Refutation
        • P(b);
    • Try
      • K(G);P-FLIGHT
      • Threat
        • DUALS(3)
      • Vars
        • P(b);OGATEB::QAB(F)
        • B(g);N_GUARD::QAB(F),XP(f)
      • Refutation
        • S(a);
    • Try
      • K(G);P-FLIGHT
      • Threat
        • DUALS(3)
      • Vars
        • P(b);OGATEB::QAB(F)
        • S(a);N_GUARD::QAR1(F),XS(a)
      • Refutation
        • B(g);
    • Try
      • K(G);P-FLIGHT
      • Threat
        • DUALS(3)
      • Vars
        • P(b);OGATEB::QAB(F)
        • B(g);N_GUARD::QAB(F),XP(f)
        • S(a);N_GUARD::QAR1(F),XS(a)
      • Refutation
        • P(e);XP(D)
    • Try
      • K(G);S_FLIGHT
      • Threat
        • DUALS(3)
      • Vars
        • P(b);OGATEB::QAB(F)
        • B(g);N_GUARD::QAB(F),XP(f)
        • S(a);N_GUARD::QAR1(F),XS(a)
      • Refutation
        • R(d);XS(E)
    • Try
      • Q(F);
      • Threat
        • QAB1(F)
      • Vars
        • S(a);N_GUARD::QAR1(F),XS(a)
      • Refutation
        • B(g);
  • Actual
    • K(G);S_FLIGHT
    • Threat
      • QAB(F)
    • Vars
      • P(b);OGATEB::QAB(F)
      • B(g);N_GUARD::QAB(F),XP(f)
      • S(a);N_GUARD::QAR1(F),XS(a)
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