MESON Chess Problem Database

Problem Display
PID: 255052 (3NK3/1Pp2p2/2rk1P2/2prp2b/2P5/8/8/1Q6 w - - 0 1)

Rychkov, Vladimir Nikolaevich

Probleemblad, 1984

3NK3/1Pp2p2/2rk1P2/2prp2b/2P5/8/8/1Q6

#2

6 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rd3
      • 2.Qxd3#
  • Tries
    • 1.Qe4?
      • threat
        • 2.Qxd5#
      • 1...Rd1
        • 2.Qxc6#
      • 1...Rd2
        • 2.Qxc6#
      • 1...Rd3
        • 2.Qxd3#
        • 2.Qxc6#
      • 1...Rd4
        • 2.Qxc6#
      • 1...Bf3!
    • 1.Qb5?
      • threat
        • 2.Qxc6#
      • 1...Ra6
        • 2.Qd7#
      • 1...Rb6
        • 2.Qd7#
      • 1...e4!
  • Keys
    • 1.Qf5!
      • threat
        • 2.Qd7#
      • 1...Bg4
        • 2.Sxf7#
      • 1...e4
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • R(b);OGATEB::QAR(A),XR(b)
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAR1(A),XR(b)
      • Vars
        • R(b);OGATE::QAR1(A),XR(e)
      • Refutation
        • B(d);
    • Try
      • Q(A);
      • Threat
        • QAR1(A),XR(e)
      • Vars
        • R(e);OGATE::QAR1(A)
      • Refutation
        • P(c);
  • Actual
    • Q(A);
    • Threat
      • QAR1(A)
    • Vars
      • B(d);N_GUARD::S(E),XP(h)
      • P(c);OGATE::QAR1(A),XR(b)
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