MESON Chess Problem Database

Problem Display
PID: 232481 (7b/5Q2/4p1nr/2P1k2P/1N1np1KN/3p2p1/3R2B1/8 w - - 0 1)

Dikusarov, Andrey Nikolayovich

Freie Presse, 2011

7b/5Q2/4p1nr/2P1k2P/1N1np1KN/3p2p1/3R2B1/8

#2

8 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rxh5
      • 2.Sxg6#
    • 1...Rh7
      • 2.Sxg6#
    • 1...Bf6
      • 2.Qc7#
    • 1...Bg7
      • 2.Qxg7#
    • 1...Sf4
      • 2.Qxf4#
    • 1...Sxh4
      • 2.Qf4#
    • 1...Se7
      • 2.Qf4#
    • 1...Sf8
      • 2.Qf4#
    • 1...e3
      • 2.Sxd3#
  • Keys
    • 1.Rxd3!
      • 1...Rxh5
        • 2.Sxg6#
      • 1...Sxh4
        • 2.Qf4#
      • 1...exd3
        • 2.Sxd3#
      • 1...Rh7
        • 2.Sxg6#
      • 1...Bf6
        • 2.Qc7#
      • 1...Bg7
        • 2.Qxg7#
      • 1...Sc2
        • 2.Sc6#
      • 1...Se2
        • 2.Sc6#
      • 1...Sb3
        • 2.Sc6#
      • 1...Sf3
        • 2.Sc6#
      • 1...Sb5
        • 2.Sc6#
      • 1...Sf5
        • 2.Sc6#
      • 1...Sc6
        • 2.Sxc6#
      • 1...Sf4
        • 2.Qxf4#
      • 1...Se7
        • 2.Qf4#
      • 1...Sf8
        • 2.Qf4#
      • 1...e3
        • 2.Rxe3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • R(h);N_GUARD,XP(G)::S(E),XS(g)
    • R(h);N_GUARD::S(E),XS(g)
    • B(i);SBLOCK::QAB(H)
    • B(i);N_GUARD::QAB(H),XB(i)
    • S(g);N_GUARD::QAB1(H),XS(g)
    • S(g);N_GUARD,XS(E)::QAB1(H)
    • S(g);N_GUARD::QAB1(H)
    • P(d);N_GUARD::S(C),XP(a)
  • Actual
    • R(A);XP(a)
    • Vars
      • R(h);N_GUARD,XP(G)::S(E),XS(g)
      • S(g);N_GUARD,XS(E)::QAB1(H)
      • P(d);XR(A)::S(C),XP(d)
      • R(h);N_GUARD::S(E),XS(g)
      • B(i);SBLOCK::QAB(H)
      • B(i);N_GUARD::QAB(H),XB(i)
      • S(c);N_GUARD::S(C)
      • S(c);N_GUARD::S(C),XS(c)
      • S(g);N_GUARD::QAB1(H),XS(g)
      • S(g);N_GUARD::QAB1(H)
      • P(d);OGATEB::R(A),XP(d)
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