MESON Chess Problem Database

Problem Display
PID: 56188 (Bn2rQ2/4p3/5p2/B1p2p2/1Np2p2/n3k2p/b2RpN2/4K3 w - - 0 1)

Kevlis, A

Troll, 1994

Bn2rQ2/4p3/5p2/B1p2p2/1Np2p2/n3k2p/b2RpN2/4K3

#2

7 + 13

6114 Problemschach-Jahrbuch (1994) 1995

SOLUTION

  • SOUND
  • Sets
    • 1...Rc8
      • 2.Qxe7#
    • 1...Rd8
      • 2.Qxe7#
    • 1...Sb1
      • 2.Sc2#
    • 1...Sc2+
      • 2.Sxc2#
    • 1...Sb5
      • 2.Sc2#
    • 1...c3
      • 2.Rd3#
    • 1...f3
      • 2.Sd5#
    • 1...cxb4
      • 2.Bb6#
    • 1...e5
      • 2.Qxc5#
    • 1...e6
      • 2.Qxc5#
  • Tries
    • 1.Bg2?
      • threat
        • 2.Sd5#
      • 1...Sc2+
        • 2.Sxc2#
      • 1...cxb4
        • 2.Bb6#
      • 1...Rd8
        • 2.Qxe7#
      • 1...c3
        • 2.Rd3#
      • 1...e6
        • 2.Qxc5#
      • 1...hxg2!
  • Keys
    • 1.Bh1!
      • threat
        • 2.Sd5#
      • 1...Sc2+
        • 2.Sxc2#
      • 1...cxb4
        • 2.Bb6#
      • 1...Rd8
        • 2.Qxe7#
      • 1...c3
        • 2.Rd3#
      • 1...e6
        • 2.Qxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 5
  • Sets
    • R(m);N_GUARD::QAR(G),XP(k)
    • S(c);N_GUARD::S(D)
    • S(c);CHECK,N_GUARD::S(D),XS(c)
    • P(f);N_GUARD::R1(B)
    • P(g);SBLOCK::S(D)
    • P(h);OGATEB,XS(D)::B(E)
    • P(k);OGATE::QAB(G),XP(h)
  • Tries
    • Try
      • B(F);
      • Threat
        • S(D)
      • Vars
        • S(c);CHECK,N_GUARD::S(D),XS(c)
        • P(h);OGATEB,XS(D)::B(E)
        • R(m);N_GUARD::QAR(G),XP(k)
        • P(f);N_GUARD::R1(B)
        • P(k);OGATE::QAB(G),XP(h)
      • Refutation
        • P(e);XB(F)
  • Actual
    • B(F);
    • Threat
      • S(D)
    • Vars
      • S(c);CHECK,N_GUARD::S(D),XS(c)
      • P(h);OGATEB,XS(D)::B(E)
      • R(m);N_GUARD::QAR(G),XP(k)
      • P(f);N_GUARD::R1(B)
      • P(k);OGATE::QAB(G),XP(h)
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