MESON Chess Problem Database

Problem Display
PID: 18510 (1b1B1R2/3P4/1QK1pNp1/R5P1/1p2Nk1n/3p2p1/3p2n1/1b1B4 w - - 0 1)

Kuznetsov, Anatoly Grigorievich

1st Place, Match: Netherlands - USSR, 1956

1b1B1R2/3P4/1QK1pNp1/R5P1/1p2Nk1n/3p2p1/3p2n1/1b1B4

#2

10 + 11

3174 The Two-move Chess Problem Tradition and Development 1966

SOLUTION

  • SOUND
  • Tries
    • 1.Sf2?
      • threat
        • 2.Sh3#
        • 2.Sh5#
        • 2.Qd4#
      • 1...Be5
        • 2.Sd5#
        • 2.Sh5#
      • 1...Sf5
        • 2.Sh3#
      • 1...e5
        • 2.Sd5#
        • 2.Sh5#
      • 1...Ba7
        • 2.Sh3#
        • 2.Sh5#
      • 1...Sf3
        • 2.Sh3#
        • 2.S6e4#
        • 2.S6g4#
        • 2.Sh5#
        • 2.Sh7#
        • 2.Se8#
        • 2.Sg8#
      • 1...gxf2!
    • 1.Sg4+?
      • 1...Kxe4
        • 2.Qxb4#
      • 1...Sf5!
    • 1.Sd5+?
      • 1...Ke5
        • 2.Sdc3#
      • 1...Kxe4!
    • 1.Qf2+?
      • 1...Sf3
        • 2.Qxf3#
      • 1...gxf2!
    • 1.Qxb8+?
      • 1...Ke3
        • 2.Bb6#
      • 1...e5!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Sxe6#
      • 1...Ke3
        • 2.Sxe6#
      • 1...Ke5
        • 2.Sxd3#
      • 1...Kf5
        • 2.Sg4#
      • 1...Kxg5
        • 2.Sg8#
      • 1...Ba2
        • 2.Sxd3#
      • 1...Be5
        • 2.Sd5#
      • 1...e5
        • 2.Sd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • DUALS(3)
      • Vars
        • S(h);::S(B)
      • Refutation
        • P(e);XS(B)
    • Try
      • S(G);CHECK
      • Vars
        • K(g);P-FLIGHT,XS(B)::QAR(E),XP(f)
      • Refutation
        • S(h);P_SPINS(h)
    • Try
      • S(G);CHECK
      • Vars
        • K(g);S_FLIGHT::R(C)+S(G)
      • Refutation
        • K(g);P-FLIGHT,XS(B)
    • Try
      • Q(E);CHECK
      • Vars
        • S(h);N_GUARD,P_SPINS(h)::QAR1(E),XS(h)
      • Refutation
        • P(e);XQ(E)
    • Try
      • Q(E);CHECK,XB(k)
      • Vars
        • K(g);S_FLIGHT::B(I)
      • Refutation
        • P(i);P_SPINP(i)
  • Actual
    • S(B);
    • Threat
      • S(B),XP(i)
    • Vars
      • K(g);S_FLIGHT::QAB(E)+S(B),XP(i)
      • K(g);S_FLIGHT::R(C)+S(B),DCHECK,XP(d)
      • K(g);P-FLIGHT::R(J)+S(G)
      • K(g);S_FLIGHT,XP(D)::B(I)+S(G)
      • B(a);N_GUARD::S(B),XP(d)
      • B(k);SBLOCK::R(J)+S(G),DCHECK
      • P(i);SBLOCK::R(J)+S(G),DCHECK
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