MESON Chess Problem Database

Problem Display
PID: 47747 (B1NNn3/Q4R1r/5n1r/3PkP2/K1p3P1/2q1pPP1/1BPb4/8 w - - 0 1)

Slesarenko, Anatoly Vasilevich

1st Prize, Shakhmatnoe obozrenie, 1998

B1NNn3/Q4R1r/5n1r/3PkP2/K1p3P1/2q1pPP1/1BPb4/8

#2

13 + 9

6166 FIDE Album (1998-2000) 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Qd4
      • 2.Bxd4#
      • 2.Qxd4#
      • 2.Qe7#
    • 1...Rxf7
      • 2.Sxf7#
    • 1...Rh8
      • 2.Re7#
    • 1...Bc1
      • 2.Bxc3#
    • 1...Se4
      • 2.f4#
  • Tries
    • 1.Sd6?
      • threat
        • 2.Sxc4#
      • 1...Kxd6
        • 2.Qe7#
      • 1...Sxd6!
    • 1.Qxe3+?
      • 1...Se4
        • 2.Qxe4#
        • 2.f4#
      • 1...Bxe3!
    • 1.Qc5?
      • threat
        • 2.Sc6#
      • 1...Sxg4
        • 2.d6#
      • 1...Sxd5
        • 2.Qxd5#
      • 1...Se4
        • 2.f4#
      • 1...Sh5
        • 2.d6#
      • 1...Sg8
        • 2.d6#
      • 1...Sd7!
    • 1.d6?
      • threat
        • 2.f4#
      • 1...Sd5
        • 2.Sc6#
      • 1...Sh5
        • 2.Qc5#
      • 1...e2!
  • Keys
    • 1.Sb6!
      • threat
        • 2.Sxc4#
      • 1...Kd4
        • 2.Sd7#
      • 1...Kd6
        • 2.Qe7#
      • 1...Sd6
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • R(h);XR(J)::S(M),XR(h)
    • R(h);N_GUARD::R(J)
    • B(a);N_GUARD::B(A),XQ(b)
    • S(f);SBLOCK::P(C)
  • Tries
    • Try
      • S(L);
      • Threat
        • S(L),XP(d)
      • Vars
        • K(e);N_SPINQ(b),S_FLIGHT,XS(L)::QAB1(I)
      • Refutation
        • S(i);XS(L)
    • Try
      • Q(I);CHECK,XP(c)
      • Refutation
        • B(a);XQ(I)
    • Try
      • Q(I);
      • Threat
        • S(M)
      • Vars
        • S(f);N_GUARD,XP(F)::QAR(I)+P(G)
        • S(f);OGATE,P_SPINS(f),XP(G)::QAR1(I),XS(f)
        • S(f);SBLOCK::P(C)
        • S(f);N_GUARD::QAR(I)+P(G)
      • Refutation
        • S(f);
    • Try
      • P(G);
      • Threat
        • P(C)
      • Vars
        • S(f);SBLOCK::S(M)
        • S(f);N_GUARD::QAR2(I)
      • Refutation
        • P(c);
  • Actual
    • S(L);
    • Threat
      • S(L),XP(d)
    • Vars
      • K(e);S_FLIGHT::QAB(I)+S(L)
      • K(e);N_SPINQ(b),S_FLIGHT::QAB1(I)
      • S(i);SBLOCK::S(M)
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