MESON Chess Problem Database

Problem Display
PID: 178236 (n1R5/1p1n1p2/bp3Rp1/1pN5/3kP3/1Pp5/2B1pPK1/4Q1b1 w - - 0 1)

Miloseski, Bosko

Vratnica-64, 2008

n1R5/1p1n1p2/bp3Rp1/1pN5/3kP3/1Pp5/2B1pPK1/4Q1b1

#2

9 + 12

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Qxc3#
    • 1...Se5
      • 2.Rd6#
  • Tries
    • 1.Sa4?
      • threat
        • 2.Qxc3#
      • 1...Ke5
        • 2.Qxc3#
      • 1...b4!
    • 1.Se6+?
      • 1...fxe6
        • 2.Qxc3#
      • 1...Ke5!
    • 1.Sxd7?
      • threat
        • 2.Rd6#
        • 2.Qxc3#
      • 1...Bxf2
        • 2.Qxf2#
        • 2.Qxc3#
      • 1...Bh2
        • 2.Qxc3#
      • 1...b4
        • 2.Rd6#
      • 1...Sc7!
    • 1.Qd2+?
      • 1...Ke5
        • 2.Sxd7#
        • 2.Qxc3#
        • 2.Qd6#
      • 1...cxd2!
  • Keys
    • 1.f4!
      • threat
        • 2.Qxg1#
      • 1...Ke3
        • 2.Qxc3#
      • 1...Bf2
        • 2.Qxf2#
      • 1...Bh2
        • 2.Qf2#
      • 1...Be3
        • 2.Rd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • K(d);S_FLIGHT::QAB(A),XP(c)
    • S(j);SBLOCK::R(H)
  • Tries
    • Try
      • S(G);
      • Threat
        • QAB1(A),XP(c)
      • Vars
        • K(d);S_FLIGHT::QAB(A),XP(c)
      • Refutation
        • P(e);
    • Try
      • S(G);CHECK
      • Vars
        • P(k);XS(G)::QAB1(A),XP(c)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • S(G);XS(j)
      • Threat
        • DUALS(2)
      • Vars
        • B(a);::QAB1(A),XP(c)
        • P(e);::R(H)
      • Refutation
        • S(l);
    • Try
      • Q(A);CHECK
      • Refutation
        • P(c);XQ(A)
  • Actual
    • P(C);
    • Threat
      • QAB(A),XB(a)
    • Vars
      • K(d);P_SPINP(b),S_FLIGHT::QAR2(A),XP(c)
      • B(a);N_GUARD::QAB(A),XB(a)
      • B(a);N_GUARD::QAB(A)
      • B(a);SBLOCK::R(H)
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