MESON Chess Problem Database

Problem Display
PID: 104630 (1B1N4/rbN1p3/pp4p1/2kpP2Q/8/1Kp5/8/8 w - - 0 1)

Velimirovic, Milan

Mat, 1976

1B1N4/rbN1p3/pp4p1/2kpP2Q/8/1Kp5/8/8

#2

6 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bc6
      • 2.Sde6#
    • 1...b5
      • 2.Bxa7#
  • Tries
    • 1.Qe2?
      • threat
        • 2.Sce6#
      • 1...Kd4
        • 2.Sce6#
        • 2.Sde6#
      • 1...b5
        • 2.Bxa7#
      • 1...d4
        • 2.Qc4#
      • 1...e6
        • 2.Scxe6#
      • 1...Bc8!
    • 1.Qh4?
      • threat
        • 2.Qb4#
      • 1...b5
        • 2.Bxa7#
      • 1...d4
        • 2.Qxe7#
      • 1...a5!
  • Keys
    • 1.Qf3!
      • threat
        • 2.Qxc3#
      • 1...Kd4
        • 2.Sce6#
      • 1...b5
        • 2.Bxa7#
      • 1...c2
        • 2.Qc3#
      • 1...d4
        • 2.Sde6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • B(h);SBLOCK::S(F)
    • P(e);OGATEB::B(E),XR(g)
  • Tries
    • Try
      • Q(C);
      • Threat
        • S(D)
      • Vars
        • P(e);OGATEB::B(E),XR(g)
        • P(c);N_GUARD::QAR1(C)
        • P(i);::S(D),XP(i)
      • Refutation
        • B(h);
    • Try
      • Q(C);
      • Threat
        • QAB1(C)
      • Vars
        • P(e);OGATEB::B(E),XR(g)
        • P(c);SBLOCK::QAB(C),XP(i)
      • Refutation
        • P(d);
  • Actual
    • Q(C);
    • Threat
      • QAR2(C),XP(a)
    • Vars
      • K(b);S_FLIGHT::S(D)
      • P(e);OGATEB::B(E),XR(g)
      • P(a);::QAR2(C)
      • P(c);::S(F)
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