MESON Chess Problem Database

Problem Display
PID: 140946 (1R1Q3K/b6p/p7/3np3/Npk5/2p2N2/2P1P1Pq/8 w - - 0 1)

Tomasevic, Milos

Liga Problemista, 1982/4

1R1Q3K/b6p/p7/3np3/Npk5/2p2N2/2P1P1Pq/8

#2

8 + 9

6490 yacpdb 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Se3
      • 2.Qd3#
    • 1...Sf4
      • 2.Sxe5#
    • 1...Sb6
      • 2.Qd3#
    • 1...Sf6
      • 2.Qd3#
    • 1...Sc7
      • 2.Qd3#
    • 1...Se7
      • 2.Qd3#
    • 1...b3
      • 2.cxb3#
  • Tries
    • 1.Rc8+?
      • 1...Bc5
        • 2.Rxc5#
      • 1...Sc7
        • 2.Qd3#
      • 1...Kb5!
    • 1.Qa5?
      • threat
        • 2.Qxa6#
      • 1...Se3
        • 2.Rxb4#
      • 1...Sf4
        • 2.Rxb4#
      • 1...Sb6
        • 2.Qc5#
      • 1...Sf6
        • 2.Rxb4#
      • 1...Sc7
        • 2.Rxb4#
      • 1...Se7
        • 2.Rxb4#
      • 1...Qh6!
    • 1.Qc7+?
      • 1...Bc5
        • 2.Qxc5#
      • 1...Sxc7!
    • 1.Qc8+?
      • 1...Bc5
        • 2.Qxa6#
        • 2.Qxc5#
      • 1...Sc7!
  • Keys
    • 1.e4!
      • threat
        • 2.Qxd5#
      • 1...Sb6
        • 2.Qd3#
      • 1...Se3
        • 2.Qd3#
      • 1...Sf4
        • 2.Sxe5#
      • 1...Sf6
        • 2.Qd3#
      • 1...Sc7
        • 2.Qd3#
      • 1...Se7
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • S(e);OGATE::QAB1(G)
    • S(e);S_CUTQ(a)::S(D),XP(f)
    • P(c);OGATE::P(A),XP(c)
  • Tries
    • Try
      • R(F);CHECK
      • Vars
        • B(h);N_GUARD,P_SPINB(h)::R1(F),XB(h)
        • S(e);OGATE,P_SPINS(e)::QAB1(G)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(G);
      • Threat
        • QAB(G),XP(g)
      • Vars
        • S(e);N_GUARD::R1(F),XP(c)
        • S(e);S_CUTB(h)::QAR1(G)
      • Refutation
        • Q(a);
    • Try
      • Q(G);CHECK
      • Vars
        • B(h);N_GUARD,P_SPINB(h)::QAR1(G),XB(h)
      • Refutation
        • S(e);XQ(G)
    • Try
      • Q(G);CHECK
      • Refutation
        • S(e);P_SPINS(e)
  • Actual
    • P(B);
    • Threat
      • QAB1(G),XS(e)
    • Vars
      • S(e);OGATE::QAB1(G)
      • S(e);S_CUTQ(a)::S(D),XP(f)
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