MESON Chess Problem Database

Problem Display
PID: 134480 (8/1bK1N3/5pp1/R1p5/4nkpB/2QR2p1/3P2B1/8 w - - 0 1)

Kazimov, Islam

Probleemblad, 2009

8/1bK1N3/5pp1/R1p5/4nkpB/2QR2p1/3P2B1/8

#2

8 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Sxd2
      • 2.Qxf6#
    • 1...Sf2
      • 2.Qxf6#
    • 1...Sg5
      • 2.Bxg3#
      • 2.Qxf6#
    • 1...c4
      • 2.Sxg6#
    • 1...f5
      • 2.Sxg6#
  • Tries
    • 1.Bxf6?
      • threat
        • 2.Qe5#
      • 1...Sxf6
        • 2.Qxf6#
      • 1...Sxc3!
    • 1.Rd5?
      • threat
        • 2.Sxg6#
        • 2.Qe3#
      • 1...Sxd2
        • 2.Sxg6#
        • 2.Bxg3#
        • 2.Qxd2#
        • 2.Qxg3#
      • 1...Sxc3
        • 2.Sxg6#
      • 1...g5
        • 2.Sg6#
        • 2.Rf5#
        • 2.Qe3#
      • 1...Bxd5!
    • 1.Ra4?
      • threat
        • 2.Qxf6#
      • 1...Bc8
        • 2.Rxe4#
      • 1...f5
        • 2.Sxg6#
      • 1...c4!
    • 1.Rxc5?
      • threat
        • 2.Sxg6#
      • 1...Sxc5
        • 2.Qxf6#
      • 1...g5
        • 2.Sg6#
        • 2.Rf5#
      • 1...Bd5!
  • Keys
    • 1.Rd4!
      • threat
        • 2.Qxg3#
      • 1...Ke5
        • 2.Rxe4#
      • 1...cxd4
        • 2.Sxg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • S(b);N_GUARD,XP(A)::QAR2(C),XP(f)
    • S(b);N_GUARD::QAR2(C),XP(f)
    • P(e);::S(H),XP(g)
    • P(f);SBLOCK::S(H),XP(g)
  • Tries
    • Try
      • B(E);XP(f)
      • Threat
        • QAB1(C)
      • Vars
        • S(b);OGATE,XB(E)::QAR2(C),XS(b)
      • Refutation
        • S(b);XQ(C)
    • Try
      • R(D);
      • Threat
        • DUALS(2)
      • Vars
        • S(b);XQ(C)::S(H),XP(g)
      • Refutation
        • B(h);XR(D)
    • Try
      • R(F);P_PINS(b)
      • Threat
        • QAR2(C),XP(f)
      • Vars
        • B(h);N_GUARD::R1(F),XS(b)
        • P(f);SBLOCK::S(H),XP(g)
      • Refutation
        • P(e);N_SPINS(b)
    • Try
      • R(F);XP(e)
      • Threat
        • S(H),XP(g)
      • Vars
        • S(b);N_GUARD,XR(F)::QAR2(C),XP(f)
      • Refutation
        • B(h);
  • Actual
    • R(D);P_PINS(b)
    • Threat
      • QAB1(C),XP(a)
    • Vars
      • K(c);N_SPINS(b),P_SPINP(e),S_FLIGHT::QAB(C)+R(D),DCHECK,XS(b)
      • P(e);N_SPINS(b),XR(D)::S(H),XP(g)
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