MESON Chess Problem Database

Problem Display
PID: 99931 (1q1B4/2pP4/2B3pr/2P3R1/1bk3N1/2P2R1P/P1N1PpP1/5K1Q w - - 0 1)

Chobanyan, Shamil

Magyar Sakkelet, 1990

1q1B4/2pP4/2B3pr/2P3R1/1bk3N1/2P2R1P/P1N1PpP1/5K1Q

#2

15 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ba3
      • 2.Sxa3#
    • 1...Bxc3
      • 2.Sge3#
    • 1...Ba5
      • 2.Sa3#
    • 1...Bxc5
      • 2.Se5#
  • Tries
    • 1.Bf6?
      • threat
        • 2.Sce3#
        • 2.Sge3#
        • 2.Rf4#
      • 1...Bxc3
        • 2.Sge3#
        • 2.Rxc3#
      • 1...Bxc5
        • 2.Se5#
      • 1...Qe8!
    • 1.Be7?
      • threat
        • 2.Se5#
      • 1...Bxc3
        • 2.Sge3#
      • 1...Qh8!
    • 1.Rd3?
      • threat
        • 2.Sce3#
        • 2.Sge3#
      • 1...Bxc3
        • 2.Sge3#
      • 1...Bxc5
        • 2.Se5#
      • 1...Rxh3!
    • 1.Rd5?
      • threat
        • 2.Se5#
      • 1...Bxc3
        • 2.Sge3#
      • 1...Rh5!
  • Keys
    • 1.Qh2!
      • threat
        • 2.Qf4#
      • 1...Bxc3
        • 2.Sge3#
      • 1...Bxc5
        • 2.Se5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • B(b);N_GUARD::S(D),XB(b)
    • B(b);SBLOCK,XP(G)::S(J)
    • B(b);N_GUARD::S(D)
    • B(b);SBLOCK,XP(K)::S(J)
  • Tries
    • Try
      • B(O);
      • Threat
        • DUALS(3)
      • Vars
        • B(b);SBLOCK,XP(K)::S(J)
      • Refutation
        • Q(g);
    • Try
      • B(O);
      • Threat
        • S(J)
      • Vars
        • B(b);SBLOCK,XP(G)::S(J)
      • Refutation
        • Q(g);
    • Try
      • R(H);
      • Threat
        • DUALS(2)
      • Vars
        • B(b);XP(G)::S(J)
        • B(b);SBLOCK,XP(K)::S(J)
      • Refutation
        • R(e);XP(I)
    • Try
      • R(L);
      • Threat
        • S(J)
      • Vars
        • B(b);SBLOCK,XP(G)::S(J)
      • Refutation
        • R(e);
  • Actual
    • Q(B);
    • Threat
      • QAR(B)
    • Vars
      • B(b);SBLOCK,XP(G)::S(J)
      • B(b);SBLOCK,XP(K)::S(J)
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