MESON Chess Problem Database

Problem Display
PID: 243951 (2rbb3/3NRp1K/2n1RP2/pB1k1p1n/P1p2pp1/2PN2BP/2Q1p3/8 w - - 0 1)

Gvozdjak, Peter

Sachove umeni (Ceskoslovensky sach), 1981

2rbb3/3NRp1K/2n1RP2/pB1k1p1n/P1p2pp1/2PN2BP/2Q1p3/8

#2

12 + 13

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rc7
      • 2.Sb6#
    • 1...Ra8
      • 2.Bxc6#
    • 1...Rb8
      • 2.Bxc6#
    • 1...Bb6
      • 2.Sxb6#
    • 1...Bc7
      • 2.Bxc6#
    • 1...Sxg3
      • 2.Sxf4#
    • 1...Sxf6+
      • 2.Sxf6#
    • 1...Sg7
      • 2.Sxf4#
    • 1...cxd3
      • 2.Qb3#
      • 2.Qa2#
    • 1...f3
      • 2.Rd6#
  • Tries
    • 1.Sb4+?
      • 1...Sxb4
        • 2.Qxf5#
      • 1...axb4!
  • Keys
    • 1.Qxe2!
      • 1...Sxf6+
        • 2.Sxf6#
      • 1...Bxe7
        • 2.Sb6#
      • 1...Bxd7
        • 2.Rxd7#
      • 1...Sxg3
        • 2.Sxf4#
      • 1...Sxe7
        • 2.Qe5#
      • 1...cxd3
        • 2.Qa2#
      • 1...fxg3
        • 2.Qg2#
      • 1...gxh3
        • 2.Qf3#
      • 1...fxe6
        • 2.Qxe6#
      • 1...Rc7
        • 2.Sb6#
      • 1...Ra8
        • 2.Bxc6#
      • 1...Rb8
        • 2.Bxc6#
      • 1...Bb6
        • 2.Sxb6#
      • 1...Bc7
        • 2.Bxc6#
      • 1...Sg7
        • 2.Sxf4#
      • 1...Sb4
        • 2.Qe5#
      • 1...Sd4
        • 2.Qe5#
      • 1...Se5
        • 2.Qxe5#
      • 1...Sa7
        • 2.Qe5#
      • 1...Sb8
        • 2.Qe5#
      • 1...f3
        • 2.Rd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
    • R(k);S_CUTB(l)::S(J)
    • R(k);N_GUARD::B(G),XS(i)
    • B(l);N_GUARD::S(J),XB(l)
    • B(l);S_CUTR(k)::B(G),XS(i)
    • S(h);N_GUARD,XB(D)::S(C),XP(c)
    • S(h);CHECK,XP(I)::S(J),XS(h)
    • S(h);N_GUARD::S(C),XP(c)
    • P(c);::R1(H)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • S(i);XS(C)::QAR2(A),XP(g)
      • Refutation
        • P(e);XS(C)
  • Actual
    • Q(A);XP(a)
    • Vars
      • S(h);CHECK,XP(I)::S(J),XS(h)
      • B(l);N_GUARD,XR(K)::S(J)
      • B(m);OGATE,XS(J)::R(K),XB(m)
      • S(h);N_GUARD,XB(D)::S(C),XP(c)
      • S(i);N_GUARD,XR(K)::QAR1(A)
      • P(b);OGATEB,XS(C)::QAB(A)
      • P(c);N_GUARD,XB(D)::QAB(A)
      • P(d);N_GUARD,XP(E)::QAB(A)
      • P(j);OGATE,XR(H)::QAB1(A),XP(j)
      • R(k);S_CUTB(l)::S(J)
      • R(k);N_GUARD::B(G),XS(i)
      • B(l);N_GUARD::S(J),XB(l)
      • B(l);S_CUTR(k)::B(G),XS(i)
      • S(h);N_GUARD::S(C),XP(c)
      • S(i);N_GUARD::QAR1(A)
      • S(i);N_GUARD::QAR1(A),XS(i)
      • P(c);::R1(H)
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