MESON Chess Problem Database

Problem Display
PID: 247170 (8/8/KR2B2p/Q7/7k/B6b/6rn/6NN w - - 0 1)

Markov, Evgeny Viktorovich

Uralski Problemist, 1998

8/8/KR2B2p/Q7/7k/B6b/6rn/6NN

#2

7 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Ra2
      • 2.Be7#
    • 1...Rb2
      • 2.Be7#
    • 1...Rc2
      • 2.Be7#
    • 1...Rd2
      • 2.Be7#
    • 1...Re2
      • 2.Be7#
    • 1...Bg4
      • 2.Be7#
    • 1...Sf1
      • 2.Sf3#
    • 1...Sf3
      • 2.Sxf3#
    • 1...Sg4
      • 2.Sf3#
  • Keys
    • 1.Bg4!
      • threat
        • 2.Qh5#
      • 1...Kxg4
        • 2.Rb4#
      • 1...Rxg4
        • 2.Rxh6#
      • 1...Bxg4
        • 2.Be7#
      • 1...Sxg4
        • 2.Sf3#
      • 1...h5
        • 2.Qxh5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 7
  • Sets
    • R(a);N_GUARD::B(C)
    • B(c);S_CUTR(a)::B(C)
    • S(b);N_GUARD::S(A)
    • S(b);N_GUARD::S(A),XS(b)
  • Actual
    • B(G);
    • Threat
      • QAR1(D)
    • Vars
      • K(d);OGATEB,P-FLIGHT,XB(G)::R(F)
      • R(a);SBLOCK,XB(G)::R(F),XP(e)
      • B(c);SBLOCK,XB(G)::B(C)
      • S(b);N_GUARD,SBLOCK,XB(G)::S(A)
      • P(e);::QAR1(D),XP(e)
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