MESON Chess Problem Database

Problem Display
PID: 27350 (1N6/8/5p2/3k4/2p3Q1/3N4/3R3B/K7 w - - 0 1)

Kosavac, Adi

StrateGems, 2001

1N6/8/5p2/3k4/2p3Q1/3N4/3R3B/K7

#2

6 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Sf4+?
      • 1...Ke4
        • 2.Sg2#
        • 2.Sd5#
      • 1...Ke5
        • 2.Se2#
        • 2.Sg2#
        • 2.Sh3#
        • 2.Sd5#
        • 2.Sh5#
        • 2.Se6#
        • 2.Sg6#
        • 2.Qe6#
      • 1...Kc5!
    • 1.Rc2?
      • threat
        • 2.Qxc4#
      • 1...cxd3
        • 2.Qc4#
      • 1...c3!
    • 1.Qd4+?
      • 1...Ke6
        • 2.Qd7#
      • 1...Kxd4!
  • Keys
    • 1.Bd6!
      • threat
        • 2.Sc1#
        • 2.Se1#
        • 2.Sb2#
        • 2.Sf2#
        • 2.Sb4#
        • 2.Sc5#
        • 2.Se5#
      • 1...Kxd6
        • 2.Qd7#
      • 1...cxd3
        • 2.Rxd3#
      • 1...f5
        • 2.Sc5#
      • 1...c3
        • 2.Sb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);CHECK
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • R(B);
      • Threat
        • QAB1(E),XP(a)
      • Vars
        • P(a);XS(D)::QAB1(E)
      • Refutation
        • P(a);
    • Try
      • Q(E);CHECK
      • Vars
        • K(b);OGATE,S_FLIGHT::QAB1(E)
      • Refutation
        • K(b);P-FLIGHT,XQ(E)
  • Actual
    • B(C);
    • Threat
      • DUALS(7)
    • Vars
      • K(b);OGATEB,P-FLIGHT,XB(C)::QAR1(E)
      • P(a);OGATE,P_SPINP(a),XS(D)::R(B),XP(a)
      • P(c);::R(B)+S(D)
      • P(a);::R(B)+S(D),DCHECK
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