MESON Chess Problem Database

Problem Display
PID: 164873 (3q4/8/5bR1/3p4/1p3N2/1NkPR3/2P2Bn1/1K4n1 w - - 0 1)

Jankevics, Karlis

Sachmatija, 2008

3q4/8/5bR1/3p4/1p3N2/1NkPR3/2P2Bn1/1K4n1

#2

8 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Qb6
      • 2.Sxd5#
    • 1...Qc7
      • 2.Sxd5#
    • 1...Qe7
      • 2.Sxd5#
    • 1...Qb8
      • 2.Sxd5#
    • 1...Qc8
      • 2.Sxd5#
    • 1...Qe8
      • 2.Sxd5#
    • 1...Qf8
      • 2.Sxd5#
    • 1...Qh8
      • 2.Sxd5#
    • 1...Bh4
      • 2.Rc6#
    • 1...Be5
      • 2.Rc6#
    • 1...Bg5
      • 2.Rc6#
    • 1...Bg7
      • 2.Rc6#
    • 1...Bh8
      • 2.Rc6#
    • 1...Se2
      • 2.Sxe2#
    • 1...Sf3
      • 2.Se2#
    • 1...Sh3
      • 2.Se2#
    • 1...Se1
      • 2.Bxe1#
    • 1...Sxe3
      • 2.Be1#
    • 1...Sxf4
      • 2.Be1#
    • 1...Sh4
      • 2.Be1#
  • Tries
    • 1.Sxg2?
      • threat
        • 2.Be1#
      • 1...Bh4
        • 2.Rc6#
      • 1...Sf3!
    • 1.Rxg2?
      • threat
        • 2.Be1#
      • 1...Sf3
        • 2.Se2#
      • 1...Bh4!
  • Keys
    • 1.Re5!
      • threat
        • 2.Bd4#
      • 1...Bxe5
        • 2.Rc6#
      • 1...Qb6
        • 2.Sxd5#
      • 1...Se2
        • 2.Sxe2#
      • 1...Sf3
        • 2.Se2#
      • 1...Se3
        • 2.Be1#
      • 1...d4
        • 2.Rc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 15
  • Sets
    • Q(g);N_GUARD::S(G),XP(e)
    • B(f);OGATE::R(H)
    • S(a);N_GUARD::S(G),XS(a)
    • S(a);N_GUARD::S(G)
    • S(b);N_GUARD::B(C),XS(b)
    • S(b);N_GUARD,XR(F)::B(C)
    • S(b);N_GUARD,XS(G)::B(C)
    • S(b);N_GUARD::B(C)
  • Tries
    • Try
      • S(G);XS(b)
      • Threat
        • B(C)
      • Vars
        • B(f);OGATE::R(H)
      • Refutation
        • S(a);
    • Try
      • R(H);XS(b)
      • Threat
        • B(C)
      • Vars
        • S(a);N_GUARD::S(G)
      • Refutation
        • B(f);
  • Actual
    • R(F);
    • Threat
      • B(C)
    • Vars
      • B(f);OGATE,XR(F)::R(H)
      • Q(g);N_GUARD::S(G),XP(e)
      • S(a);N_GUARD::S(G),XS(a)
      • S(a);N_GUARD::S(G)
      • S(b);N_GUARD::B(C)
      • P(e);OGATE::R(F)
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