MESON Chess Problem Database

Problem Display
PID: 84635 (8/5BBK/rb1P4/1p1p1PQ1/NRb1kp2/2p2p1R/2Pnn3/3N4 w - - 0 1)

Szwedowski, Leopold Mieczyslaw

Schach-Aktiv, 1992

8/5BBK/rb1P4/1p1p1PQ1/NRb1kp2/2p2p1R/2Pnn3/3N4

#2

11 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ba5
      • 2.Sc5#
    • 1...Bc5
      • 2.Sxc5#
    • 1...Bc7
      • 2.Sc5#
    • 1...Bd8
      • 2.Sc5#
    • 1...Sc1
      • 2.Saxc3#
    • 1...Sg1
      • 2.Saxc3#
    • 1...Sg3
      • 2.Saxc3#
    • 1...Sd4
      • 2.Saxc3#
  • Tries
    • 1.Bg6?
      • threat
        • 2.Qe7#
      • 1...d4
        • 2.f6#
      • 1...Bd4
        • 2.f6#
      • 1...Bd8
        • 2.Sc5#
      • 1...Sd4
        • 2.Saxc3#
      • 1...Ra7!
    • 1.Qf6?
      • threat
        • 2.Qe5#
        • 2.Qe6#
      • 1...Sd4
        • 2.Saxc3#
        • 2.Qe5#
      • 1...d4
        • 2.Qe5#
      • 1...Bd4!
  • Keys
    • 1.f6!
      • threat
        • 2.Qxd5#
      • 1...Kd4
        • 2.Qxd5#
      • 1...Bd4
        • 2.Bg6#
      • 1...Sd4
        • 2.Saxc3#
      • 1...d4
        • 2.Bg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 7
  • Sets
    • B(k);N_GUARD::S(D)
    • B(k);N_GUARD::S(D),XB(k)
    • S(b);N_GUARD::S(D),XP(c)
    • S(b);N_GUARD,N_SPINB(e)::S(D),XP(c)
  • Tries
    • Try
      • B(I);
      • Threat
        • QAR(G)
      • Vars
        • P(i);N_SPINB(e),SBLOCK::B(I)+P(F)
        • B(k);N_SPINB(e),SBLOCK::B(I)+P(F)
        • B(k);N_GUARD::S(D)
        • S(b);N_GUARD,N_SPINB(e)::S(D),XP(c)
      • Refutation
        • R(j);P_PINB(J)
    • Try
      • Q(G);
      • Threat
        • DUALS(2)
      • Vars
        • P(i);N_SPINB(e)::QAR1(G)
      • Refutation
        • B(k);N_SPINB(e)
  • Actual
    • P(F);
    • Threat
      • QAB1(G),XP(i)
    • Vars
      • K(f);P-FLIGHT::QAR1(G),XP(i)
      • B(k);N_SPINB(e),SBLOCK::B(I)
      • S(b);N_GUARD,N_SPINB(e),SBLOCK::S(D),XP(c)
      • P(i);N_SPINB(e),SBLOCK::B(I)
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Developed and maintained by Brian Stephenson.
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