MESON Chess Problem Database

Problem Display
PID: 247936 (3nR3/1b6/N3pp1N/2Q5/2r1k3/2p2R1r/5KP1/8 w - - 0 1)

Vlasenko, Nikolai Fillipovich

Uralski Problemist, 2006

3nR3/1b6/N3pp1N/2Q5/2r1k3/2p2R1r/5KP1/8

#2

7 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Qf5#
    • 1...Bd5
      • 2.Qe3#
    • 1...e5
      • 2.Qxc4#
  • Keys
    • 1.Qd6!
      • threat
        • 2.Rf4#
      • 1...Rxf3+
        • 2.gxf3#
      • 1...Bd5
        • 2.Qf4#
      • 1...Rh4
        • 2.Re3#
      • 1...Rd4
        • 2.Sc5#
      • 1...e5
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(c);SBLOCK::QAB1(D)
    • B(g);SBLOCK::QAR1(D)
    • P(e);::QAR2(D),XR(c)
  • Actual
    • Q(D);
    • Threat
      • R1(C)
    • Vars
      • R(b);CHECK,OGATE,XR(C)::P(B),XR(b)
      • B(g);SBLOCK::QAR1(D)
      • R(b);N_GUARD::R1(C)
      • R(c);N_GUARD::S(E)
      • P(e);::QAB1(D)
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