MESON Chess Problem Database

Problem Display
PID: 63537 (4N2K/1qp2QNb/3p4/3P2pP/2BPkP2/1n3p2/3R1P2/6r1 w - - 0 1)

Stoyanov, Kiril N

2nd HM., Sinfonie Scacchistiche, 1975

4N2K/1qp2QNb/3p4/3P2pP/2BPkP2/1n3p2/3R1P2/6r1

#2

11 + 9

3771 FIDE Album (1974-1976) 1980

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd5
      • 2.Bxd5#
    • 1...Bf5
      • 2.Qxf5#
    • 1...Bg8
      • 2.Qf5#
    • 1...Sxd4
      • 2.Bd3#
    • 1...gxf4
      • 2.Sf6#
      • 2.Qe6#
      • 2.Qe7#
    • 1...c5
      • 2.Sxd6#
    • 1...c6
      • 2.Sxd6#
  • Keys
    • 1.Se6!
      • threat
        • 2.Qxh7#
      • 1...Qxd5
        • 2.Bd3#
      • 1...Sxd4
        • 2.Rxd4#
      • 1...gxf4
        • 2.Qxf4#
      • 1...Bf5
        • 2.Sf6#
      • 1...Bg6
        • 2.Qxg6#
      • 1...Bg8
        • 2.Qg6#
      • 1...c5
        • 2.Sxd6#
      • 1...c6
        • 2.Sxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 4
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • Q(g);OGATE,XP(F)::B(C),XQ(g)
    • B(i);N_GUARD::QAB1(H),XB(i)
    • B(i);N_GUARD::QAB1(H)
    • S(b);SBLOCK,XP(D)::B(C)
    • P(h);N_GUARD::S(J),XP(f)
  • Actual
    • S(I);
    • Threat
      • QAB(H),XB(i)
    • Vars
      • Q(g);SBLOCK,XP(F)::B(C)
      • S(b);OGATE,XP(D)::R1(A),XS(b)
      • P(e);OGATE,XP(E)::QAR1(H),XP(e)
      • B(i);SBLOCK::S(J)
      • B(i);N_GUARD::QAB(H),XB(i)
      • B(i);N_GUARD::QAB(H)
      • P(h);N_GUARD::S(J),XP(f)
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