MESON Chess Problem Database

Problem Display
PID: 160004 (8/1p1Npp1R/n1P5/8/BN2kp2/2K4Q/5Pn1/1b6 w - - 0 1)

Dikusarov, Andrey Nikolayovich

Best Problems, 2011

8/1p1Npp1R/n1P5/8/BN2kp2/2K4Q/5Pn1/1b6

#2

8 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Ba2
      • 2.Bc2#
      • 2.Qd3#
    • 1...Bc2
      • 2.Bxc2#
    • 1...Bd3
      • 2.Qxd3#
    • 1...Se3
      • 2.f3#
    • 1...bxc6
      • 2.Bxc6#
    • 1...e5
      • 2.Sf6#
    • 1...f5
      • 2.Rxe7#
    • 1...f6
      • 2.Rxe7#
  • Tries
    • 1.Qxg2+?
      • 1...f3
        • 2.Qg4#
      • 1...Kf5!
  • Keys
    • 1.Qh5!
      • threat
        • 2.Qd5#
      • 1...Sxb4
        • 2.Sc5#
      • 1...bxc6
        • 2.Bxc6#
      • 1...f3
        • 2.Qe5#
      • 1...Ba2
        • 2.Bc2#
      • 1...Se3
        • 2.f3#
      • 1...Sc7
        • 2.Sc5#
      • 1...e5
        • 2.Sf6#
      • 1...e6
        • 2.Sf6#
      • 1...f5
        • 2.Rxe7#

There are these versions: 232483

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 3
  • Sets
    • B(a);N_GUARD::B(D),XB(a)
    • B(a);N_GUARD::QAB1(C),XB(a)
    • S(b);SBLOCK::P(A)
    • P(f);OGATE,XP(F)::B(D),XP(f)
    • P(g);N_GUARD,SBLOCK::S(G)
    • P(h);OGATE::R(H),XP(g)
  • Tries
    • Try
      • Q(C);CHECK,XS(b)
      • Vars
        • P(d);OGATEB,P_SPINP(d)::QAR2(C)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • Q(C);
    • Threat
      • QAB1(C)
    • Vars
      • S(e);N_GUARD,XS(E)::S(G)
      • P(f);OGATE,XP(F)::B(D),XP(f)
      • P(d);SBLOCK::QAR1(C)
      • B(a);N_GUARD::B(D)
      • S(b);SBLOCK::P(A)
      • S(e);N_GUARD::S(G)
      • P(g);N_GUARD::S(G)
      • P(h);OGATE::R(H),XP(g)
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