MESON Chess Problem Database

Problem Display
PID: 84512 (4K3/6Pb/4k1p1/2PpBR2/8/2pQ1rp1/3p2B1/8 w - - 0 1)

Szwedowski, Leopold Mieczyslaw

Schach-Aktiv, 1991

4K3/6Pb/4k1p1/2PpBR2/8/2pQ1rp1/3p2B1/8

#2

7 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rf1
      • 2.Bxd5#
    • 1...Rf2
      • 2.Bxd5#
    • 1...Re3
      • 2.Bxd5#
    • 1...Rf4
      • 2.Bxd5#
    • 1...Rxf5
      • 2.Qxd5#
  • Tries
    • 1.Bxf3?
      • threat
        • 2.Bxd5#
      • 1...gxf5
        • 2.Qxd5#
      • 1...d4!
  • Keys
    • 1.Rg5!
      • threat
        • 2.Qa6#
      • 1...Rf8+
        • 2.gxf8S#
      • 1...Rxd3
        • 2.Bh3#
      • 1...Rf5
        • 2.Qxd5#
      • 1...d4
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • R(c);OGATE::B(A),XP(e)
    • R(c);SBLOCK,XR(E)::QAB1(B),XP(e)
  • Tries
    • Try
      • B(A);XR(c)
      • Threat
        • B(A),XP(e)
      • Vars
        • P(g);SBLOCK,XR(E)::QAB1(B),XP(e)
      • Refutation
        • P(e);
  • Actual
    • R(E);
    • Threat
      • QAR(B)
    • Vars
      • R(c);CHECK,OGATE::PXR(c)=S
      • R(c);N_GUARD,XQ(B)::B(A)
      • R(c);::QAB1(B),XP(e)
      • P(e);OGATEB::QAB(B)
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