MESON Chess Problem Database

Problem Display
PID: 134550 (8/4pq1b/Q5pN/3P4/4Pk1B/8/4RP1n/1K1RN3 w - - 0 1)

Radovanovic, Slavko

10th Place, Liga Problemista, 2008/4

8/4pq1b/Q5pN/3P4/4Pk1B/8/4RP1n/1K1RN3

#2

10 + 6

273 Mat Plus 2008

SOLUTION

  • SOUND
  • Sets
    • 1...Sf3
      • 2.Sd3#
    • 1...g5
      • 2.Bg3#
  • Tries
    • 1.Sg2+?
      • 1...Ke5
        • 2.Sxf7#
      • 1...Kf3!
    • 1.Bg5+?
      • 1...Ke5
        • 2.Sxf7#
      • 1...Kxg5!
    • 1.Qd6+?
      • 1...e5
        • 2.dxe5 ep#
      • 1...exd6!
  • Keys
    • 1.Qc4!
      • threat
        • 2.e5#
      • 1...Ke5
        • 2.Qc7#
      • 1...Qxd5
        • 2.exd5#
      • 1...Qf5
        • 2.exf5#
      • 1...Sf3
        • 2.Sd3#
      • 1...g5
        • 2.Bg3#
      • 1...e5
        • 2.Qc1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(a);SBLOCK::S(C)
    • P(c);P_PINP(F),SBLOCK::B(G)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(b);S_FLIGHT::S(J),XQ(e)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • B(G);CHECK
      • Vars
        • K(b);S_FLIGHT::S(J),XQ(e)
      • Refutation
        • K(b);S_FLIGHT,XB(G)
    • Try
      • Q(I);CHECK
      • Vars
        • P(d);OGATE,P_SPINP(d)::QAB(I)+P(H),XP(d),EP
      • Refutation
        • P(d);XQ(I)
  • Actual
    • Q(I);
    • Threat
      • QAR(I)+P(F)
    • Vars
      • K(b);S_FLIGHT::QAB(I)
      • Q(e);OGATE,XP(H)::QAR(I)+P(F),XQ(e)
      • Q(e);OGATE,P_PINP(F)::QAR(I)+P(F),XQ(e)
      • S(a);SBLOCK::S(C)
      • P(c);P_PINP(F),SBLOCK::B(G)
      • P(d);SBLOCK::QAB(I)
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Developed and maintained by Brian Stephenson.
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