MESON Chess Problem Database

Problem Display
PID: 132463 (4n2K/8/3p2R1/3pk2p/r2pP3/2PQ2P1/2r2N2/1B6 w - - 0 1)

Berg, Wolfgang

Wochenpost, 1994

4n2K/8/3p2R1/3pk2p/r2pP3/2PQ2P1/2r2N2/1B6

#2

8 + 8

6114 Problemschach-Jahrbuch (1994) 1995

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Qxd4#
      • 2.cxd4#
    • 1...Ra2
      • 2.Qxd4#
      • 2.cxd4#
    • 1...Ra3
      • 2.Qxd4#
      • 2.cxd4#
    • 1...Ra5
      • 2.Qxd4#
      • 2.cxd4#
    • 1...Ra6
      • 2.Qxd4#
      • 2.cxd4#
    • 1...Ra7
      • 2.Qxd4#
      • 2.cxd4#
    • 1...Ra8
      • 2.Qxd4#
      • 2.cxd4#
    • 1...dxc3
      • 2.Qxd5#
    • 1...dxe4
      • 2.Qxe4#
    • 1...h4
      • 2.Sg4#
  • Keys
    • 1.exd5!
      • threat
        • 2.Qe4#
      • 1...Kxd5
        • 2.Qb5#
      • 1...dxc3
        • 2.Re6#
      • 1...Re2
        • 2.Qf5#
      • 1...Sf6
        • 2.Rg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • P(c);OGATE,XP(C)::QAR1(D),XP(d)
    • P(d);OGATE,XP(F)::QAR1(D),XP(d)
    • P(f);N_GUARD::S(B)
  • Actual
    • P(F);XP(d)
    • Threat
      • QAR1(D)
    • Vars
      • K(e);OGATEB,P-FLIGHT,P_SPINP(c),XP(F)::QAR2(D)
      • P(c);XP(C)::R1(G)
      • R(a);::QAR1(D)
      • S(h);SBLOCK::R(G)
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