MESON Chess Problem Database

Problem Display
PID: 51951 (1N2K3/4p1N1/QP4nR/2Pk4/3PnR1b/3p4/3P1r1p/5bBB w - - 0 1)

Slesarenko, Anatoly Vasilevich

2nd Prize, Zadachi i Etyudi, 1997

1N2K3/4p1N1/QP4nR/2Pk4/3PnR1b/3p4/3P1r1p/5bBB

#2

12 + 9

23 Die Schwalbe 2003
5418 FIDE Album (1995-1997) (Annexe) 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd2
      • 2.Bxe4#
    • 1...Re2
      • 2.Qa2#
    • 1...Rg2
      • 2.Qa2#
    • 1...Rf3
      • 2.Qa2#
    • 1...Rxf4
      • 2.Qa2#
  • Tries
    • 1.Sc6?
      • threat
        • 2.Bxe4#
      • 1...Kxc6
        • 2.Bxe4#
      • 1...Rxf4
        • 2.Sb4#
      • 1...Sxf4
        • 2.Qa2#
      • 1...Re2
        • 2.Sb4#
      • 1...Rg2
        • 2.Sb4#
      • 1...Rf3
        • 2.Sb4#
      • 1...Bg2!
    • 1.Bxf2?
      • threat
        • 2.Bxe4#
        • 2.Qa2#
      • 1...Sxf4
        • 2.Qa2#
      • 1...Bg2
        • 2.Qa2#
      • 1...Se5
        • 2.Bxe4#
      • 1...Bxf2!
  • Keys
    • 1.Se6!
      • threat
        • 2.Qa2#
      • 1...Kxe6
        • 2.Qc4#
        • 2.Qa2#
      • 1...Rxd2
        • 2.Sc7#
      • 1...Se5
        • 2.Bxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • R(b);XP(C)::B(B),XS(e)
    • R(b);::QAB(G)
    • R(b);N_SPINS(e)::QAB(G)
    • R(b);XR(E)::QAB(G)
  • Tries
    • Try
      • S(K);
      • Threat
        • B(B),XS(e)
      • Vars
        • K(g);S_FLIGHT,XS(K)::B(B),XS(e)
        • R(b);XR(E)::S(K)
        • S(h);XR(E)::QAB(G)
        • R(b);::S(K)
        • R(b);N_SPINS(e)::S(K)
      • Refutation
        • B(a);N_SPINS(e)
    • Try
      • B(A);XR(b)
      • Threat
        • DUALS(2)
      • Vars
        • S(h);XR(E)::QAB(G)
        • B(a);N_SPINS(e)::QAB(G)
        • S(h);::B(B),XS(e)
      • Refutation
        • B(f);XB(A)
  • Actual
    • S(J);
    • Threat
      • QAB(G)
    • Vars
      • R(b);XP(C)::S(J)
      • S(h);::B(B),XS(e)
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