MESON Chess Problem Database

Problem Display
PID: 104573 (7Q/8/2p4B/2Kppp2/4kp2/4p3/4n2b/1N2N3 w - - 0 1)

Riczu, Lajos

Canadian Chess Chat, 1982

7Q/8/2p4B/2Kppp2/4kp2/4p3/4n2b/1N2N3

#2

5 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sc1
      • 2.Sc3#
    • 1...Sg1
      • 2.Sc3#
    • 1...Sc3
      • 2.Sxc3#
    • 1...Sg3
      • 2.Sc3#
    • 1...Sd4
      • 2.Sc3#
  • Keys
    • 1.Bxf4!
      • threat
        • 2.Qxe5#
      • 1...Kxf4
        • 2.Qh4#
      • 1...Bxf4
        • 2.Qh1#
      • 1...Sxf4
        • 2.Sc3#
      • 1...exf4
        • 2.Qe8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 5
  • Sets
    • S(a);N_GUARD::S(A)
    • S(a);N_GUARD::S(A),XS(a)
  • Actual
    • B(D);XP(e)
    • Threat
      • QAR1(E),XP(g)
    • Vars
      • K(d);OGATEB,P-FLIGHT,XB(D)::QAR2(E)
      • B(b);OGATE,SBLOCK,XB(D)::QAB(E)
      • S(a);N_GUARD,SBLOCK,XB(D)::S(A)
      • P(g);OGATEB,SBLOCK,XB(D)::QAR(E)
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