MESON Chess Problem Database

Problem Display
PID: 102016 (2q5/6Bn/bQ6/3k1p1N/8/p2pR2B/8/3N3K w - - 0 1)

Dikusarov, Andrey Nikolayovich

Rallo, Vito

Umenie 64, 2005

2q5/6Bn/bQ6/3k1p1N/8/p2pR2B/8/3N3K

#2

7 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qc4
      • 2.Re5#
    • 1...Qc5
      • 2.Qe6#
    • 1...Qc6
      • 2.Qd4#
    • 1...Bc4
      • 2.Sc3#
      • 2.Sf4#
      • 2.Bg2#
      • 2.Re5#
  • Tries
    • 1.Rxd3+?
      • 1...Kc4
        • 2.Rd4#
      • 1...Ke4
        • 2.Sf2#
        • 2.Qe3#
        • 2.Qd4#
      • 1...Bxd3!
  • Keys
    • 1.Re4!
      • threat
        • 2.Rd4#
      • 1...Kxe4
        • 2.Bg2#
      • 1...fxe4
        • 2.Se3#
      • 1...Qc6
        • 2.Qd4#
      • 1...Qc3
        • 2.Sxc3#
      • 1...Qc4
        • 2.Re5#
      • 1...Qc5
        • 2.Qe6#
      • 1...Sf6
        • 2.Sxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • Q(g);SBLOCK::R1(C)
    • Q(g);N_GUARD,SBLOCK::QAB1(F)
    • Q(g);SBLOCK::QAR1(F)
  • Tries
    • Try
      • R(C);CHECK,XP(b)
      • Vars
        • K(c);S_FLIGHT::R1(C)
      • Refutation
        • B(e);XR(C)
  • Actual
    • R(C);
    • Threat
      • R1(C)
    • Vars
      • K(c);OGATEB,S_FLIGHT,XR(C)::B(D)
      • P(d);SBLOCK,XR(C)::S(A)
      • Q(g);SBLOCK::QAR1(F)
      • Q(g);N_GUARD::S(A),XQ(g)
      • Q(g);SBLOCK::R1(C)
      • Q(g);N_GUARD,SBLOCK::QAB1(F)
      • S(f);N_GUARD::S(E),XS(f)
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