MESON Chess Problem Database

Problem Display
PID: 240283 (6b1/3BK3/2P1p1p1/NN1kn3/1p1Pp3/3Pr3/5Q2/n3r3 w - - 0 1)

Labai, Zoltan

Problem-Forum, 2004

6b1/3BK3/2P1p1p1/NN1kn3/1p1Pp3/3Pr3/5Q2/n3r3

#2

8 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Re2
      • 2.Sc7#
    • 1...Rxd3
      • 2.Sc7#
    • 1...Rf3
      • 2.Sc7#
    • 1...Rg3
      • 2.Sc7#
    • 1...Rh3
      • 2.Sc7#
    • 1...Bh7
      • 2.Bxe6#
    • 1...Sc4
      • 2.dxc4#
    • 1...Sxc6+
      • 2.Bxc6#
    • 1...Sf7
      • 2.Bxe6#
  • Tries
    • 1.Qxe3?
      • threat
        • 2.Sc7#
        • 2.dxe4#
      • 1...Sxc6+
        • 2.Bxc6#
      • 1...Sxd3
        • 2.Sc7#
      • 1...exd3
        • 2.Sc7#
      • 1...Rxe3!
    • 1.Qb2?
      • threat
        • 2.Sc7#
      • 1...Sxc6+
        • 2.Bxc6#
      • 1...exd3!
    • 1.Qf6?
      • threat
        • 2.Qxe5#
      • 1...Sxc6+
        • 2.Bxc6#
      • 1...Sxd3
        • 2.Sc7#
      • 1...Sxd7
        • 2.Sc7#
      • 1...Sf3
        • 2.Sc7#
      • 1...Sc4
        • 2.Sc7#
        • 2.dxc4#
      • 1...Sg4
        • 2.Sc7#
      • 1...Sf7
        • 2.Sc7#
        • 2.Bxe6#
        • 2.Qxe6#
      • 1...exd3!
    • 1.dxe4+?
      • 1...Rxe4
        • 2.Sc7#
      • 1...Kxe4!
  • Keys
    • 1.Qf4!
      • threat
        • 2.Qxe5#
      • 1...Sxc6+
        • 2.Bxc6#
      • 1...Sxd3
        • 2.Qd6#
      • 1...Sxd7
        • 2.Qd6#
      • 1...exd3
        • 2.Sc7#
      • 1...Sf3
        • 2.Qd6#
      • 1...Sc4
        • 2.dxc4#
      • 1...Sg4
        • 2.Qd6#
      • 1...Sf7
        • 2.Bxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 6
  • Sets
    • R(c);::S(E)
    • R(c);XP(B)::S(E)
    • B(j);N_GUARD::B(G),XP(h)
    • S(g);OGATE::P(B),XS(g)
    • S(g);CHECK,OGATE,XP(F)::B(G),XS(g)
    • S(g);S_CUTB(j)::B(G),XP(h)
  • Tries
    • Try
      • Q(A);XR(c)
      • Threat
        • DUALS(2)
      • Vars
        • S(g);CHECK,OGATE,XP(F)::B(G),XS(g)
        • S(g);XP(B)::S(E)
        • P(e);XP(B)::S(E)
      • Refutation
        • R(b);XQ(A)
    • Try
      • Q(A);
      • Threat
        • S(E)
      • Vars
        • S(g);CHECK,OGATE,XP(F)::B(G),XS(g)
      • Refutation
        • P(e);XP(B)
    • Try
      • Q(A);
      • Threat
        • QAR1(A),XS(g)
      • Vars
        • S(g);CHECK,OGATE,XP(F)::B(G),XS(g)
        • S(g);XP(B)::S(E)
        • S(g);XB(G)::S(E)
        • S(g);::S(E)
      • Refutation
        • P(e);XP(B)
    • Try
      • P(B);CHECK,XP(e)
      • Vars
        • R(c);SBLOCK,XP(B)::S(E)
      • Refutation
        • K(f);S_FLIGHT,XP(B)
  • Actual
    • Q(A);
    • Threat
      • QAR1(A),XS(g)
    • Vars
      • S(g);CHECK,OGATE,XP(F)::B(G),XS(g)
      • S(g);OGATE,XP(B)::QAR1(A)
      • S(g);OGATE,XB(G)::QAR1(A)
      • P(e);XP(B)::S(E)
      • S(g);OGATE::QAR1(A)
      • S(g);OGATE::P(B),XS(g)
      • S(g);S_CUTB(j)::B(G),XP(h)
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