MESON Chess Problem Database

Problem Display
PID: 205757 (2rRB3/1N3pp1/4kp2/4nN1Q/2np2r1/3p1pB1/3P1K2/8 w - - 0 1)

Tangring, KJ

Arbeiter Schach Internationale, 1925

2rRB3/1N3pp1/4kp2/4nN1Q/2np2r1/3p1pB1/3P1K2/8

#2

8 + 11

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rc5
      • 2.Sxc5#
    • 1...Ra8
      • 2.Sc5#
    • 1...Rb8
      • 2.Sc5#
    • 1...Sb2
      • 2.Rd6#
    • 1...Sxd2
      • 2.Rd6#
    • 1...Sa3
      • 2.Rd6#
    • 1...Se3
      • 2.Rd6#
    • 1...Sa5
      • 2.Rd6#
    • 1...Sb6
      • 2.Rd6#
    • 1...Sd6
      • 2.Rxd6#
    • 1...Sc6
      • 2.Sc5#
      • 2.Bxf7#
    • 1...Sd7
      • 2.Bxf7#
  • Keys
    • 1.Rd7!
      • 1...Rxg3
        • 2.Sxd4#
      • 1...Rxe8
        • 2.Sc5#
      • 1...Sxd2
        • 2.Rd6#
      • 1...Sxd7
        • 2.Bxf7#
      • 1...Rg5
        • 2.Sxd4#
      • 1...Sd6
        • 2.Rxd6#
      • 1...g5
        • 2.Sg7#
      • 1...Re4
        • 2.Sxg7#
      • 1...Rf4
        • 2.Sxg7#
      • 1...Rh4
        • 2.Sxg7#
      • 1...Rg6
        • 2.Sxd4#
      • 1...Rc5
        • 2.Sxc5#
        • 2.Sd8#
      • 1...Rc6
        • 2.Sd8#
      • 1...Rc7
        • 2.Sd8#
      • 1...Ra8
        • 2.Sc5#
      • 1...Rb8
        • 2.Sc5#
      • 1...Rd8
        • 2.Sc5#
        • 2.Sxd8#
      • 1...Sb2
        • 2.Rd6#
      • 1...Sa3
        • 2.Rd6#
      • 1...Se3
        • 2.Rd6#
      • 1...Sa5
        • 2.Rd6#
      • 1...Sb6
        • 2.Rd6#
      • 1...Sc6
        • 2.Sc5#
      • 1...Sg6
        • 2.Sxg7#
      • 1...g6
        • 2.Sg7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 1
  • Sets
    • R(k);N_GUARD::S(F),XR(k)
    • R(k);N_GUARD::S(F)
    • S(c);N_GUARD::R1(G)
    • S(c);N_GUARD,XP(A)::R1(G)
    • S(c);N_GUARD::R1(G),XS(c)
    • S(f);N_GUARD::B(H),XP(i)
  • Actual
    • R(G);
    • Vars
      • R(e);N_GUARD,XB(C)::S(D),XP(d)
      • R(k);N_GUARD,XB(H)::S(F)
      • S(c);N_GUARD,XP(A)::R1(G)
      • S(f);N_GUARD,SBLOCK,XR(G)::B(H),XP(i)
      • R(e);N_GUARD::S(D),XP(d)
      • S(c);N_GUARD::R1(G),XS(c)
      • P(j);S_CUTR(e)::S(D)
      • R(e);N_GUARD::S(D),XP(j)
      • R(k);N_GUARD::S(F)
      • S(c);N_GUARD::R1(G)
      • S(f);S_CUTR(k)::S(F)
      • S(f);S_CUTR(e)::S(D),XP(j)
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