MESON Chess Problem Database

Problem Display
PID: 110315 (8/3R3p/r1p2R1K/4k1P1/2B3p1/3p1p1b/p2NPnp1/2BnNr1q w - - 0 1)

Mlynka, Karol

Sachove umeni (Ceskoslovensky sach), 1975

8/3R3p/r1p2R1K/4k1P1/2B3p1/3p1p1b/p2NPnp1/2BnNr1q

#2

9 + 14

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sb2
      • 2.Bxb2#
    • 1...Se3
      • 2.Bb2#
    • 1...Se4
      • 2.Sxd3#
    • 1...g3
      • 2.Sexf3#
    • 1...c5
      • 2.Rd5#
  • Tries
    • 1.Sdxf3+?
      • 1...Ke4
        • 2.Rf4#
        • 2.Rd4#
        • 2.Re7#
      • 1...gxf3!
    • 1.Bb2+?
      • 1...Sc3
        • 2.Bxc3#
      • 1...Sxb2!
    • 1.Bxd3?
      • threat
        • 2.Sc4#
      • 1...Sxd3
        • 2.Sxd3#
      • 1...Sb2
        • 2.Bxb2#
      • 1...Se3
        • 2.Bb2#
      • 1...Ra4!
    • 1.Re6+?
      • 1...Kf5
        • 2.Rf7#
      • 1...Kf4!
    • 1.exf3?
      • threat
        • 2.f4#
      • 1...gxf3
        • 2.Sexf3#
      • 1...Se4
        • 2.Sxd3#
      • 1...Qh2!
    • 1.e3?
      • threat
        • 2.Re7#
      • 1...Sxe3
        • 2.Bb2#
      • 1...g3
        • 2.Sexf3#
      • 1...c5
        • 2.Rd5#
      • 1...Ra7!
  • Keys
    • 1.e4!
      • threat
        • 2.Rf5#
      • 1...Sxe4
        • 2.Sxd3#
      • 1...Se3
        • 2.Bb2#
      • 1...g3
        • 2.Sexf3#
      • 1...c5
        • 2.Rd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • S(a);N_GUARD::B(A),XS(a)
    • S(a);N_GUARD::B(A)
    • S(e);N_GUARD::S(B),XP(g)
    • P(j);N_GUARD::S(B),XP(h)
    • P(m);N_GUARD,P_PINR(G)::R1(I)
  • Tries
    • Try
      • S(C);CHECK,XP(h)
      • Refutation
        • P(j);XS(C)
    • Try
      • B(A);CHECK
      • Vars
        • S(a);N_GUARD,P_SPINS(a)::B(A),XS(a)
      • Refutation
        • S(a);XB(A)
    • Try
      • B(E);XP(g)
      • Threat
        • S(C)
      • Vars
        • S(e);XB(E)::S(B),XS(e)
        • S(a);N_GUARD::B(A),XS(a)
        • S(a);N_GUARD::B(A)
      • Refutation
        • R(l);
    • Try
      • R(G);CHECK
      • Vars
        • K(k);P-FLIGHT::R(I)
      • Refutation
        • K(k);S_FLIGHT
    • Try
      • P(D);XP(h)
      • Threat
        • P(D)
      • Vars
        • P(j);XP(D)::S(B),XP(j)
        • S(e);N_GUARD::S(B),XP(g)
      • Refutation
        • Q(c);
    • Try
      • P(D);
      • Threat
        • R(I)
      • Vars
        • S(a);N_GUARD,XP(D)::B(A)
        • P(j);N_GUARD::S(B),XP(h)
        • P(m);N_GUARD,P_PINR(G)::R1(I)
      • Refutation
        • R(l);
  • Actual
    • P(D);
    • Threat
      • R1(G)
    • Vars
      • S(e);N_GUARD,XP(D)::S(B),XP(g)
      • S(a);N_GUARD::B(A)
      • P(j);N_GUARD::S(B),XP(h)
      • P(m);N_GUARD,P_PINR(G)::R1(I)
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