MESON Chess Problem Database

Problem Display
PID: 243000 (5B2/8/1n1pPR2/4p3/N1pk1p2/1Pp2R2/2p2P2/2K2Q1B w - - 0 1)

Suvorov, Ivan

Zadachi i Etyudi, 2002

5B2/8/1n1pPR2/4p3/N1pk1p2/1Pp2R2/2p2P2/2K2Q1B

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.R3xf4#
    • 1...Kd5
      • 2.Rd3#
    • 1...Sxa4
      • 2.Qxc4#
    • 1...Sd5
      • 2.Qxc4#
    • 1...Sd7
      • 2.Qxc4#
    • 1...Sa8
      • 2.Qxc4#
    • 1...Sc8
      • 2.Qxc4#
    • 1...cxb3
      • 2.Qd3#
  • Tries
    • 1.Bxd6?
      • 1...Ke4
        • 2.R3xf4#
      • 1...Kd5
        • 2.Rd3#
      • 1...Sxa4
        • 2.Qxc4#
      • 1...cxb3
        • 2.Qd3#
      • 1...Sd5
        • 2.Qxc4#
      • 1...Sd7
        • 2.Qxc4#
      • 1...Sa8
        • 2.Qxc4#
      • 1...Sc8
        • 2.Qxc4#
      • 1...e4!
    • 1.Qe2?
      • 1...Kd5
        • 2.Rd3#
      • 1...Sxa4
        • 2.Qxc4#
      • 1...cxb3
        • 2.Qd3#
      • 1...Sd5
        • 2.Qxc4#
      • 1...Sd7
        • 2.Qxc4#
      • 1...Sa8
        • 2.Qxc4#
      • 1...Sc8
        • 2.Qxc4#
      • 1...d5
        • 2.Bc5#
      • 1...e4!
  • Keys
    • 1.Bg7!
      • 1...Ke4
        • 2.R3xf4#
      • 1...Kd5
        • 2.Rd3#
      • 1...Sxa4
        • 2.Qxc4#
      • 1...cxb3
        • 2.Qd3#
      • 1...e4
        • 2.Rf5#
      • 1...Sd5
        • 2.Qxc4#
      • 1...Sd7
        • 2.Qxc4#
      • 1...Sa8
        • 2.Qxc4#
      • 1...Sc8
        • 2.Qxc4#
      • 1...d5
        • 2.R6xf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(d);P-FLIGHT::B(C)+R(F),DCHECK,XP(e)
    • K(d);P-FLIGHT::B(C)+R(F),DCHECK
    • S(g);N_GUARD,XS(G)::QAR1(B),XP(c)
    • S(g);N_GUARD::QAR1(B),XP(c)
    • P(c);N_GUARD,XP(E)::QAR1(B)
  • Tries
    • Try
      • B(J);XP(h)
      • Vars
        • K(d);P-FLIGHT::B(C)+R(F),DCHECK,XP(e)
        • K(d);P-FLIGHT::B(C)+R(F),DCHECK
        • S(g);N_GUARD,XS(G)::QAR1(B),XP(c)
        • P(c);N_GUARD,XP(E)::QAR1(B)
        • S(g);N_GUARD::QAR1(B),XP(c)
      • Refutation
        • P(f);
    • Try
      • Q(B);
      • Vars
        • K(d);P-FLIGHT::B(C)+R(F),DCHECK
        • S(g);N_GUARD,XS(G)::QAR1(B),XP(c)
        • P(c);N_GUARD,XP(E)::QAR1(B)
        • S(g);N_GUARD::QAR1(B),XP(c)
        • P(h);OGATE,SBLOCK::B(J)
      • Refutation
        • P(f);
  • Actual
    • B(J);
    • Vars
      • K(d);P-FLIGHT::B(C)+R(F),DCHECK,XP(e)
      • K(d);P-FLIGHT::B(C)+R(F),DCHECK
      • S(g);N_GUARD,XS(G)::QAR1(B),XP(c)
      • P(c);N_GUARD,XP(E)::QAR1(B)
      • P(f);OGATEB,SBLOCK::B(J)+R(I)
      • S(g);N_GUARD::QAR1(B),XP(c)
      • P(h);SBLOCK::R(I),XP(e)
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