MESON Chess Problem Database

Problem Display
PID: 39889 (1BR3K1/P6B/2p2pQR/p1Pk3P/rb1N4/pPp3n1/n3N3/7b w - - 0 1)

Slesarenko, Anatoly Vasilevich

3rd HM., Die Schwalbe, 2001

1BR3K1/P6B/2p2pQR/p1Pk3P/rb1N4/pPp3n1/n3N3/7b

#2

12 + 11

23 Die Schwalbe 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Bxc5
      • 2.Qf7#
    • 1...Sf1
      • 2.Qf5#
    • 1...Se4
      • 2.Qf5#
    • 1...Sf5
      • 2.Qxf5#
    • 1...Sxh5
      • 2.Qf5#
    • 1...f5
      • 2.Qxc6#
  • Tries
    • 1.Rxc6?
      • threat
        • 2.Qf7#
      • 1...Sf5
        • 2.Qxf5#
      • 1...f5
        • 2.Qe6#
      • 1...Sxe2!
    • 1.Qxf6?
      • threat
        • 2.Qe5#
        • 2.Qxc6#
        • 2.Qd6#
      • 1...Bxc5
        • 2.Sf4#
        • 2.Qe5#
        • 2.Qxc6#
        • 2.Qe6#
        • 2.Qf7#
      • 1...Sxe2
        • 2.Qe5#
        • 2.Qd6#
      • 1...Sf5
        • 2.Qe5#
        • 2.Qxf5#
        • 2.Qxc6#
      • 1...Se4
        • 2.Qe5#
        • 2.Qf5#
        • 2.Qxc6#
      • 1...Kxc5!
  • Keys
    • 1.Qd3!
      • threat
        • 2.Qc4#
      • 1...Kxc5
        • 2.Qb5#
      • 1...Bxc5
        • 2.Sf4#
      • 1...Sf5
        • 2.Qxf5#
      • 1...f5
        • 2.Se6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • B(g);SBLOCK,XP(D)::QAB(F)
    • S(e);N_GUARD::QAR2(F)
    • S(e);N_GUARD::QAR2(F),XS(e)
    • S(e);N_GUARD,XP(E)::QAR2(F)
    • P(k);OGATE::QAB1(F),XP(j)
  • Tries
    • Try
      • R(K);XP(j)
      • Threat
        • QAB(F)
      • Vars
        • S(e);N_GUARD::QAR2(F),XS(e)
        • P(k);OGATE::QAB1(F)
      • Refutation
        • S(e);XS(A)
    • Try
      • Q(F);XP(k)
      • Threat
        • DUALS(3)
      • Refutation
        • K(i);P-FLIGHT,P_SPINP(j),XP(D)
  • Actual
    • Q(F);
    • Threat
      • QAB1(F)
    • Vars
      • K(i);OGATEB,P-FLIGHT,P_SPINP(j),XP(D)::QAR1(F)
      • B(g);SBLOCK,XP(D)::S(A)
      • S(e);N_GUARD::QAR2(F),XS(e)
      • P(k);::QAR(F)+S(C)
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