MESON Chess Problem Database

Problem Display
PID: 138142 (8/8/8/5p2/N3p3/p1p1p1QR/8/Rnk1K3 w - - 0 1)

Nesic, Milivoj S

Saletic, Slobodan

Vecherni Novosti, 1965

8/8/8/5p2/N3p3/p1p1p1QR/8/Rnk1K3

#2

5 + 7

6490 yacpdb 2011

SOLUTION

  • SOUND
  • Sets
    • 1...c2
      • 2.Qxe3#
    • 1...e2
      • 2.Qxc3#
  • Tries
    • 1.Rh2?
      • threat
        • 2.Qxe3#
      • 1...e2
        • 2.Qxc3#
      • 1...f4!
    • 1.Qf3?
      • threat
        • 2.Qd1#
      • 1...Kc2
        • 2.Qd1#
      • 1...c2
        • 2.Qxe3#
      • 1...e2
        • 2.Qxc3#
      • 1...exf3!
  • Keys
    • 1.Qd6!
      • threat
        • 2.Qd1#
      • 1...Kc2
        • 2.Qd1#
      • 1...c2
        • 2.Qxa3#
      • 1...e2
        • 2.Rxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(d);SBLOCK::QAB(C),XP(e)
    • P(e);OGATE::QAR2(C),XP(d)
  • Tries
    • Try
      • R(D);
      • Threat
        • QAB(C),XP(e)
      • Vars
        • P(e);OGATE::QAR2(C),XP(d)
      • Refutation
        • P(g);
    • Try
      • Q(C);
      • Threat
        • QAR1(C)
      • Vars
        • K(b);N_SPINS(a),P-FLIGHT::QAB1(C)
        • P(d);SBLOCK::QAB(C),XP(e)
        • P(e);OGATE::QAR2(C),XP(d)
      • Refutation
        • P(f);XQ(C)
  • Actual
    • Q(C);
    • Threat
      • QAR1(C)
    • Vars
      • K(b);N_SPINS(a),P-FLIGHT::QAB1(C)
      • P(d);SBLOCK::QAB(C),XP(c)
      • P(e);OGATE::R(D),XP(d)
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