MESON Chess Problem Database

Problem Display
PID: 104636 (3N4/1n6/8/N2k4/1P2p3/2P5/7B/3K3Q w - - 0 1)

Velimirovic, Milan

Vecherni Novosti, 1978

3N4/1n6/8/N2k4/1P2p3/2P5/7B/3K3Q

#2

7 + 3

6490 yacpdb 2009
5454 Near Snap 2010

SOLUTION

  • SOUND
  • Tries
    • 1.Qf1?
      • threat
        • 2.Qc4#
        • 2.Qf5#
        • 2.Qf7#
      • 1...Sxa5
        • 2.Qb5#
        • 2.Qf7#
      • 1...Sxd8
        • 2.Qc4#
        • 2.Qf5#
      • 1...e3
        • 2.Qg2#
        • 2.Qd3#
        • 2.Qc4#
        • 2.Qh1#
        • 2.Qf3#
        • 2.Qf5#
      • 1...Sc5
        • 2.Qc4#
        • 2.Qf5#
      • 1...Sd6!
    • 1.Qg1?
      • threat
        • 2.Qd4#
        • 2.Qg5#
        • 2.Qg8#
        • 2.c4#
      • 1...Sxa5
        • 2.Qd4#
        • 2.Qc5#
        • 2.Qg8#
      • 1...e3
        • 2.Qh1#
        • 2.Qg2#
      • 1...Sd6
        • 2.Qd4#
        • 2.Qc5#
      • 1...Sc5
        • 2.Qd4#
        • 2.Qxc5#
        • 2.Qg5#
        • 2.c4#
      • 1...Sxd8!
  • Keys
    • 1.Qg2!
      • threat
        • 2.Qa2#
        • 2.Qd2#
        • 2.Qg5#
        • 2.Qg8#
      • 1...Sxa5
        • 2.Qg8#
      • 1...Sxd8
        • 2.Qa2#
      • 1...Sc5
        • 2.Qg5#
      • 1...Sd6
        • 2.Qd2#

This anticipates 103942(1999)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);N_PINP(a)
      • Threat
        • DUALS(3)
      • Refutation
        • S(c);
    • Try
      • Q(B);N_PINP(a)
      • Threat
        • DUALS(4)
      • Refutation
        • S(c);XS(G)
  • Actual
    • Q(B);
    • Threat
      • DUALS(4)
    • Vars
      • S(c);XS(F)::QAB(B)
      • S(c);XS(G)::QAB(B)
      • S(c);::QAR(B)
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