MESON Chess Problem Database

Problem Display
PID: 75166 (2K5/8/4R3/BBp5/1q2N3/4NR1p/2p3P1/2r1k2r w - - 0 1)

Dyachuk, Vasyl Vasilovich

1st HM., Problem-Forum, 2000

2K5/8/4R3/BBp5/1q2N3/4NR1p/2p3P1/2r1k2r

#2

8 + 7

6166 FIDE Album (1998-2000) 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Qd2
      • 2.Bxd2#
    • 1...Qc3
      • 2.Bxc3#
    • 1...Rd1
      • 2.Sxc2#
    • 1...Rf1
      • 2.Rxf1#
    • 1...Rh2
      • 2.Rf1#
  • Tries
    • 1.Sc4?
      • threat
        • 2.Sc3#
      • 1...Kd1
        • 2.Sf2#
      • 1...Ke2
        • 2.Sc3#
      • 1...Qc3
        • 2.Sxc3#
      • 1...Qd2!
    • 1.Sf2?
      • threat
        • 2.Sf1#
      • 1...Kd2
        • 2.Sc4#
      • 1...Rf1
        • 2.Sxf1#
        • 2.Sc4#
      • 1...c4!
  • Keys
    • 1.Sf1!
      • threat
        • 2.Sf2#
      • 1...Kd1
        • 2.Sf2#
      • 1...Rxf1
        • 2.Rxf1#
      • 1...c4
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • Q(f);OGATE::B(E),XQ(f)
    • R(a);N_GUARD,SBLOCK::S(B),XP(d)
    • R(c);N_GUARD::R1(C),XR(c)
    • R(c);N_GUARD::R1(C)
  • Tries
    • Try
      • S(B);
      • Threat
        • R(G)+S(D)
      • Vars
        • K(b);N_SPINQ(f),P-FLIGHT::S(D)
        • K(b);N_SPINQ(f),P-FLIGHT::R(G)+S(D),DCHECK
        • Q(f);::R(G)+S(D),XQ(f)
      • Refutation
        • Q(f);
    • Try
      • S(D);
      • Threat
        • R(G)+S(B)
      • Vars
        • K(b);S_FLIGHT::S(B)
      • Refutation
        • P(g);
  • Actual
    • S(B);
    • Threat
      • R(G)+S(D)
    • Vars
      • K(b);N_SPINQ(f),P-FLIGHT::S(D)
      • R(c);OGATE,XS(B)::R1(C),XR(c)
      • P(g);::R(G)+S(D)
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