MESON Chess Problem Database

Problem Display
PID: 192626 (2B3b1/KNNn3r/3pq1Rp/5k1P/3B1P2/1p5P/3PRpP1/2Q3b1 w - - 0 1)

Svitek, Miroslav

6th Place, League of Macedonian Problemists, 2009

2B3b1/KNNn3r/3pq1Rp/5k1P/3B1P2/1p5P/3PRpP1/2Q3b1

#2

13 + 10

3485 Sachova skladba 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Qc4
      • 2.Rf6#
    • 1...Qd5
      • 2.Rf6#
    • 1...Qe4
      • 2.Rf6#
    • 1...Qf6
      • 2.Rxf6#
    • 1...Qe8
      • 2.Rf6#
    • 1...Sc5
      • 2.Rf6#
    • 1...Sb6
      • 2.Rf6#
    • 1...Sf6
      • 2.Rxf6#
    • 1...Sb8
      • 2.Rf6#
    • 1...Sf8
      • 2.Rf6#
  • Tries
    • 1.Qb1+?
      • 1...Qe4
        • 2.Rf6#
        • 2.Qxe4#
      • 1...Kxf4!
    • 1.d3?
      • threat
        • 2.g4#
      • 1...Qxe2
        • 2.Sxd6#
        • 2.Rf6#
      • 1...Qe3
        • 2.Rf6#
      • 1...Se5
        • 2.Sxd6#
      • 1...Sf6
        • 2.Sxd6#
        • 2.Rxf6#
      • 1...Qxg6!
  • Keys
    • 1.Sd5!
      • threat
        • 2.g4#
      • 1...Qxd5
        • 2.Rf6#
      • 1...Qxe2
        • 2.Sxd6#
      • 1...Qxg6
        • 2.Qb1#
      • 1...Qe3
        • 2.Sxd6#
      • 1...Se5
        • 2.Rf6#
      • 1...Sf6
        • 2.Rxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 8
  • Sets
    • Q(f);N_GUARD,P_SPINS(h)::R1(I)
    • Q(f);N_GUARD,P_SPINS(h)::R1(I),XQ(f)
    • S(h);N_GUARD,P_SPINQ(f)::R1(I)
    • S(h);N_GUARD,P_SPINQ(f)::R1(I),XS(h)
  • Tries
    • Try
      • Q(A);CHECK
      • Refutation
        • K(d);P-FLIGHT,XP(G)
    • Try
      • P(B);
      • Threat
        • P(D)
      • Vars
        • Q(f);N_GUARD,P_PINB(F),P_SPINS(h)::R1(I)
        • S(h);P_SPINQ(f)::S(K),XP(e)
      • Refutation
        • Q(f);P_SPINS(h),XR(I)
  • Actual
    • S(L);
    • Threat
      • P(D)
    • Vars
      • Q(f);N_GUARD,P_SPINS(h),XS(L)::R1(I)
      • Q(f);N_GUARD,P_SPINS(h),XR(C)::S(K),XP(e)
      • Q(f);N_GUARD,P_SPINS(h),XR(I)::QAB(A)
      • Q(f);N_GUARD,P_PINB(F),P_SPINS(h)::S(K),XP(e)
      • S(h);N_GUARD,P_PINS(K),P_SPINQ(f)::R1(I)
      • S(h);N_GUARD,P_PINS(K),P_SPINQ(f)::R1(I),XS(h)
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