MESON Chess Problem Database

Problem Display
PID: 16090 (4bb2/N2p1r2/RP3p2/2k2P1p/1N5Q/pppp3K/1R1p2PB/1r3B2 w - - 0 1)

Chikanov, Mikola

1st HM., Probleemblad, 2000

4bb2/N2p1r2/RP3p2/2k2P1p/1N5Q/pppp3K/1R1p2PB/1r3B2

#2

11 + 13

102 Probleemblad 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Bd6
      • 2.Bg1#
    • 1...d5
      • 2.Sxd3#
    • 1...d6
      • 2.Bg1#
  • Tries
    • 1.Sbc6?
      • threat
        • 2.Qd4#
      • 1...Kd5
        • 2.Qd4#
      • 1...dxc6!
    • 1.Bc7?
      • threat
        • 2.Ra5#
      • 1...d5
        • 2.Sxd3#
      • 1...d6!
    • 1.Qf2+?
      • 1...Kxb4
        • 2.Qd4#
      • 1...Kc4!
  • Keys
    • 1.Sc2!
      • threat
        • 2.Qd4#
      • 1...Kd5
        • 2.Qd4#
      • 1...bxc2
        • 2.Ra5#
      • 1...dxc2
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • B(m);SBLOCK::B(D)
    • P(j);SBLOCK::S(F),XP(f)
    • P(j);SBLOCK::B(D)
  • Tries
    • Try
      • S(F);
      • Threat
        • QAB1(G)
      • Vars
        • K(g);P-FLIGHT::QAR1(G)
      • Refutation
        • P(j);XS(F)
    • Try
      • B(D);
      • Threat
        • R(I)
      • Vars
        • P(j);SBLOCK::S(F),XP(f)
      • Refutation
        • P(j);
    • Try
      • Q(G);CHECK
      • Vars
        • K(g);P_SPINP(d),S_FLIGHT,XS(F)::QAR2(G)
      • Refutation
        • K(g);P-FLIGHT,P_SPINP(f)
  • Actual
    • S(F);
    • Threat
      • QAB1(G)
    • Vars
      • K(g);P-FLIGHT::QAR1(G)
      • P(d);XS(F)::R(I)
      • P(f);XS(F)::QAR1(G)
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