MESON Chess Problem Database

Problem Display
PID: 63252 (8/3N4/4Rp2/brNp3K/prPkP3/1p1p4/5P2/3RB3 w - - 0 1)

Bogdanov, Evgeny Mikhailovich

2nd Prize, Tidskrift for Schack, 1980

8/3N4/4Rp2/brNp3K/prPkP3/1p1p4/5P2/3RB3

#2

9 + 9

3752 FIDE Album (1980-1982) 1988

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc4
      • 2.Rxd3#
    • 1...dxc4
      • 2.Rd6#
    • 1...dxe4
      • 2.Rxe4#
  • Keys
    • 1.Sxd3!
      • threat
        • 2.Sb2#
      • 1...dxc4+
        • 2.S3c5#
      • 1...dxe4+
        • 2.S3e5#
      • 1...Kxc4
        • 2.Sb2#
      • 1...Rxc4
        • 2.Sb4#
      • 1...b2
        • 2.Sxb2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(d);SBLOCK,XP(D)::R1(A),XP(b)
    • P(h);OGATEB,P_PINS(F),SBLOCK,XP(D)::R(H)
    • P(h);OGATE,P_PINS(F),XP(E)::R1(H),XP(h)
  • Actual
    • S(F);XP(b)
    • Threat
      • R(A)+S(F)
    • Vars
      • P(h);CHECK,SBLOCK,XP(D)::R(A)+S(F)
      • P(h);CHECK,SBLOCK,XP(E)::R(A)+S(F)
      • K(e);P-FLIGHT,XP(D)::S(F)
      • R(d);SBLOCK,XP(D)::R(A)+S(F)
      • P(a);::R(A)+S(F),XP(a)
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