MESON Chess Problem Database

Problem Display
PID: 142241 (7B/Qp6/B4N2/3p3p/3r2p1/1R1pk1PN/1b3R2/1b4K1 w - - 0 1)

Rossomakho, Yakov V

Sushkov, Yuri Akimovich

Phenix, 1989

7B/Qp6/B4N2/3p3p/3r2p1/1R1pk1PN/1b3R2/1b4K1

#2

9 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Ba2
      • 2.Rxd3#
  • Tries
    • 1.Sxg4+?
      • 1...Ke4
        • 2.Sg5#
        • 2.Rf4#
      • 1...hxg4!
    • 1.Rb6?
      • threat
        • 2.Re6#
      • 1...Re4
        • 2.Sxd5#
      • 1...d2!
  • Keys
    • 1.Sf4!
      • threat
        • 2.Sg2#
        • 2.S4xd5#
      • 1...b6
        • 2.Sg2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • B(a);N_GUARD::R1(C),XP(c)
  • Tries
    • Try
      • S(G);CHECK,XP(f)
      • Refutation
        • P(h);XS(G)
    • Try
      • R(C);N_PINP(c),N_PINR(e)
      • Threat
        • R(C)
      • Vars
        • R(e);N_GUARD,SBLOCK::S(G),XP(g)
      • Refutation
        • P(c);
  • Actual
    • S(E);
    • Threat
      • DUALS(2)
    • Vars
      • P(i);N_SPINR(e)::S(E)
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