MESON Chess Problem Database

Problem Display
PID: 160148 (2N5/r3r1pB/q3P1R1/p3nk2/5N2/4PP1P/7B/Kb1Q4 w - - 0 1)

Zuger, Beat

Basler Zeitung, 2003

2N5/r3r1pB/q3P1R1/p3nk2/5N2/4PP1P/7B/Kb1Q4

#2

11 + 8

15527 schachkunst (1997-2010) (Hoffmann) 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Qf1
      • 2.Sd6#
    • 1...Qe2
      • 2.Sd6#
    • 1...Qc4
      • 2.Sd6#
    • 1...Qb5
      • 2.Sd6#
    • 1...Qb7
      • 2.Sd6#
    • 1...Qd6
      • 2.Sxd6#
    • 1...Ra8
      • 2.Sxe7#
    • 1...Ba2
      • 2.e4#
  • Tries
    • 1.Sg2?
      • threat
        • 2.Sh4#
      • 1...Sxf3
        • 2.Qxf3#
      • 1...Qc4
        • 2.Sd6#
      • 1...Sxg6!
    • 1.Qxb1+?
      • 1...Qd3
        • 2.Sd6#
      • 1...Sd3!
  • Keys
    • 1.Sh5!
      • threat
        • 2.Sg3#
      • 1...Sxf3
        • 2.Qxf3#
      • 1...Sxg6
        • 2.Qd5#
      • 1...Sd3
        • 2.e4#
      • 1...Sc4
        • 2.Qxb1#
      • 1...Sg4
        • 2.hxg4#
      • 1...Sc6
        • 2.Sd6#
      • 1...Sd7
        • 2.Sxe7#
      • 1...Sf7
        • 2.Sxg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 8
  • Sets
    • Q(e);N_GUARD::S(K)
    • Q(e);N_GUARD::S(K),XQ(e)
    • R(f);N_GUARD::S(K),XR(g)
    • B(a);N_GUARD::P(D)
  • Tries
    • Try
      • S(G);
      • Threat
        • S(G)
      • Vars
        • S(c);OGATE,XP(E)::QAR2(B),XS(c)
        • Q(e);N_GUARD::S(K)
      • Refutation
        • S(c);P_SPINS(c),XR(I)
    • Try
      • Q(B);CHECK,XB(a)
      • Vars
        • Q(e);P_SPINQ(e)::S(K)
      • Refutation
        • S(c);P_SPINS(c)
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • S(c);OGATE,XP(E)::QAR2(B),XS(c)
      • S(c);OGATEB,P_SPINS(c),XR(I)::QAR2(B)
      • S(c);S_CUTB(a)::P(D)
      • S(c);N_GUARD,S_CUTQ(e)::QAB(B),XB(a)
      • S(c);OGATE::P(F),XS(c)
      • S(c);S_CUTQ(e)::S(K)
      • S(c);S_CUTR(f)::S(K),XR(g)
      • S(c);S_CUTR(g)::S(G),XP(h)
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