MESON Chess Problem Database

Problem Display
PID: 40711 (b7/1Br3p1/2q1Q1K1/2b1BNp1/1pNP3p/5k1P/3PR3/4R1r1 w - - 0 1)

Lindner, Laszlo

Chess Canada, 1980

b7/1Br3p1/2q1Q1K1/2b1BNp1/1pNP3p/5k1P/3PR3/4R1r1

#2

11 + 10

4080 Mattbilder eines Lebens 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Qd5
      • 2.Qxd5#
    • 1...Rxb7
      • 2.Qxc6#
    • 1...Re7
      • 2.Qxc6#
    • 1...Rf7
      • 2.Qxc6#
    • 1...Bxd4
      • 2.Sxd4#
    • 1...g4
      • 2.Sxh4#
  • Tries
    • 1.Scd6?
      • threat
        • 2.Qb3#
      • 1...Bxd4
        • 2.Sxd4#
      • 1...Qd5
        • 2.Qxd5#
      • 1...b3
        • 2.Qxb3#
      • 1...Rxe1!
    • 1.Bh2?
      • threat
        • 2.Se5#
      • 1...Bxd4
        • 2.Sxd4#
      • 1...Rg3
        • 2.Rf1#
      • 1...Bd6
        • 2.Qe3#
      • 1...Rxe1!
    • 1.Bd6?
      • threat
        • 2.Qe3#
      • 1...Bxd4
        • 2.Sxd4#
      • 1...Qe4
        • 2.Qxe4#
      • 1...Re7!
  • Keys
    • 1.Sfd6!
      • threat
        • 2.Qf5#
      • 1...Rxe1
        • 2.Qg4#
      • 1...Rg4
        • 2.Qxg4#
      • 1...Rf7
        • 2.Qxf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • Q(g);N_PINQ(I)::QAB(I),XQ(g)
    • R(h);N_GUARD,N_SPINQ(g),XB(K)::QAB(I),XQ(g)
    • R(h);N_GUARD::QAB(I),XQ(g)
    • B(e);XP(F)::S(H),XB(e)
    • P(f);N_GUARD::S(H),XP(d)
  • Tries
    • Try
      • S(E);N_SPINQ(I)
      • Threat
        • QAR(I)
      • Vars
        • B(e);XP(F)::S(H),XB(e)
        • Q(g);N_GUARD::QAB(I),XQ(g)
        • P(c);::QAR(I),XP(c)
      • Refutation
        • R(a);XR(A)
    • Try
      • B(G);
      • Threat
        • S(E)
      • Vars
        • B(e);XP(F)::S(H),XB(e)
        • R(a);N_GUARD::R(A)
        • B(e);N_PINQ(I)::QAR1(I)
      • Refutation
        • R(a);XR(A)
    • Try
      • B(G);N_SPINQ(I)
      • Threat
        • QAR1(I)
      • Vars
        • B(e);XP(F)::S(H),XB(e)
        • Q(g);N_GUARD,P_PINS(H)::QAB1(I),XQ(g)
      • Refutation
        • R(h);
  • Actual
    • S(H);N_SPINQ(I)
    • Threat
      • QAR2(I)
    • Vars
      • R(a);N_GUARD,XR(A)::QAB1(I)
      • R(a);N_GUARD::QAB1(I),XR(a)
      • R(h);N_GUARD::QAR(I),XR(h)
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