MESON Chess Problem Database

Problem Display
PID: 245867 (5Q2/1p1N3B/2p5/r1ppN1p1/1BPk2K1/8/1n3P2/1n6 w - - 0 1)

Dimitrov, Nikolai

Europa-Rochade, 2007

5Q2/1p1N3B/2p5/r1ppN1p1/1BPk2K1/8/1n3P2/1n6

#2

8 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Qxc5#
    • 1...Ra2
      • 2.Qxc5#
    • 1...Ra3
      • 2.Qxc5#
    • 1...Ra4
      • 2.Qxc5#
    • 1...Ra6
      • 2.Qxc5#
    • 1...Ra7
      • 2.Qxc5#
    • 1...Ra8
      • 2.Qxc5#
    • 1...Sxc4
      • 2.Sf3#
    • 1...dxc4
      • 2.Qd6#
    • 1...b5
      • 2.Qxc5#
  • Keys
    • 1.Qf3!
      • threat
        • 2.Qe3#
      • 1...Sxc4
        • 2.Qd3#
      • 1...dxc4
        • 2.Qe4#
      • 1...Ra3
        • 2.Bxc5#
      • 1...Sd1
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 1
    • REMOVED MATES = 7
  • Sets
    • R(d);N_GUARD::QAB1(H),XP(e)
    • S(b);SBLOCK,XP(C)::S(E)
    • P(f);OGATEB,XP(C)::QAR2(H)
    • P(i);S_CUTR(d)::QAB1(H),XP(e)
  • Actual
    • Q(H);
    • Threat
      • QAB1(H)
    • Vars
      • S(b);N_GUARD,XP(C)::QAR1(H)
      • P(f);N_GUARD,XP(C)::QAR1(H)
      • R(d);N_GUARD::B(B),XP(e)
      • S(b);N_GUARD::QAR1(H)
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