MESON Chess Problem Database

Problem Display
PID: 18548 (8/6K1/3pp3/4kp2/1n1p4/nQ2p1P1/1N6/7B w - - 0 1)

Atanackovic, Branko

Sahovski Glasnik, 1956

8/6K1/3pp3/4kp2/1n1p4/nQ2p1P1/1N6/7B

#2

5 + 8

5503 ISC 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Sb1
      • 2.Sc4#
    • 1...Sac2
      • 2.Sc4#
    • 1...Sc4
      • 2.Sxc4#
    • 1...Sb5
      • 2.Sc4#
    • 1...Sa2
      • 2.Sd3#
    • 1...Sbc2
      • 2.Sd3#
    • 1...Sd3
      • 2.Sxd3#
    • 1...Sd5
      • 2.Sd3#
    • 1...Sa6
      • 2.Sd3#
    • 1...Sc6
      • 2.Sd3#
    • 1...d3
      • 2.Qc3#
  • Tries
    • 1.Kf7?
      • threat
        • 2.Qxe6#
      • 1...d3
        • 2.Qc3#
      • 1...Sc4
        • 2.Sxc4#
      • 1...Sd5
        • 2.Sd3#
      • 1...d5!
    • 1.Qd5+?
      • 1...Sxd5
        • 2.Sd3#
      • 1...exd5!
    • 1.Qxb4?
      • threat
        • 2.Sd3#
      • 1...d3
        • 2.Sxd3#
        • 2.Qc3#
        • 2.Qf4#
      • 1...f4!
  • Keys
    • 1.Qc2!
      • 1...Saxc2
        • 2.Sc4#
      • 1...Sbxc2
        • 2.Sd3#
      • 1...d3
        • 2.Qc3#
      • 1...d5
        • 2.Qc7#
      • 1...Sb1
        • 2.Sc4#
      • 1...Sc4
        • 2.Sxc4#
      • 1...Sb5
        • 2.Sc4#
      • 1...Sa2
        • 2.Sd3#
      • 1...Sd3
        • 2.Sxd3#
      • 1...Sd5
        • 2.Sd3#
      • 1...Sa6
        • 2.Sd3#
      • 1...Sc6
        • 2.Sd3#
      • 1...e2
        • 2.Qxe2#
      • 1...f4
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::S(B)
    • S(a);N_GUARD::S(B),XS(a)
    • S(c);N_GUARD::S(B)
    • S(c);N_GUARD::S(B),XS(c)
    • P(d);OGATEB::QAB(C)
  • Tries
    • Try
      • K(E);P-FLIGHT
      • Threat
        • QAR1(C),XP(h)
      • Vars
        • P(d);OGATEB::QAB(C)
        • S(a);N_GUARD::S(B),XS(a)
        • S(c);N_GUARD::S(B)
      • Refutation
        • P(g);
    • Try
      • Q(C);CHECK
      • Vars
        • S(c);XQ(C)::S(B)
      • Refutation
        • P(h);XQ(C)
    • Try
      • Q(C);XS(c)
      • Threat
        • S(B)
      • Refutation
        • P(f);
  • Actual
    • Q(C);
    • Vars
      • S(a);N_GUARD,XQ(C)::S(B)
      • S(c);N_GUARD,XQ(C)::S(B)
      • P(d);OGATEB::QAB(C)
      • P(g);OGATEB::QAB(C)
      • S(a);N_GUARD::S(B)
      • S(a);N_GUARD::S(B),XS(a)
      • S(c);N_GUARD::S(B)
      • S(c);N_GUARD::S(B),XS(c)
      • P(b);OGATEB::QAR(C),XP(b)
      • P(f);N_GUARD::QAR1(C)
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