MESON Chess Problem Database

Problem Display
PID: 154150 (4Qbb1/2R5/pp1B4/P2k1N2/8/5n2/K2nP3/8 w - - 0 1)

Corrias, Antonio G

2nd Prize, Manchester Weekly Times, 1900

4Qbb1/2R5/pp1B4/P2k1N2/8/5n2/K2nP3/8

#2

7 + 7

119 Tidskrift for Schack 1909

SOLUTION

  • SOUND
  • Sets
    • 1...Be6
      • 2.Qc6#
      • 2.Qa8#
    • 1...Sb1
      • 2.e4#
    • 1...Sf1
      • 2.e4#
    • 1...Sb3
      • 2.e4#
    • 1...Sc4
      • 2.e4#
    • 1...Se1
      • 2.Qe5#
    • 1...Sg1
      • 2.Qe5#
    • 1...Sh2
      • 2.Qe5#
    • 1...Sd4
      • 2.Qe5#
    • 1...Sh4
      • 2.Qe5#
    • 1...Se5
      • 2.Qxe5#
    • 1...Sg5
      • 2.Qe5#
    • 1...bxa5
      • 2.Rc5#
    • 1...b5
      • 2.Rc5#
  • Keys
    • 1.Rc4!
      • 1...Kxc4
        • 2.Qc6#
      • 1...Bxd6
        • 2.Se3#
      • 1...Sxc4
        • 2.e4#
      • 1...bxa5
        • 2.Rc5#
      • 1...Be7
        • 2.Qxg8#
      • 1...Bh6
        • 2.Qxg8#
      • 1...Bg7
        • 2.Qxg8#
      • 1...Be6
        • 2.Qc6#
      • 1...Bf7
        • 2.Qxf7#
      • 1...Bh7
        • 2.Qf7#
      • 1...Sb1
        • 2.Qe4#
      • 1...Sf1
        • 2.Qe4#
      • 1...Sb3
        • 2.Qe4#
      • 1...Se4
        • 2.Qxe4#
      • 1...Se1
        • 2.Rd4#
      • 1...Sg1
        • 2.Rd4#
      • 1...Sh2
        • 2.Rd4#
      • 1...Sd4
        • 2.Rxd4#
      • 1...Sh4
        • 2.Rd4#
      • 1...Se5
        • 2.Rd4#
      • 1...Sg5
        • 2.Rd4#
      • 1...b5
        • 2.Rc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 10
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::P(B)
    • S(b);N_GUARD::QAR1(G)
    • S(b);N_GUARD::QAR1(G),XS(b)
    • P(e);N_GUARD,XP(C)::R1(F)
    • P(e);N_GUARD::R1(F)
  • Actual
    • R(F);
    • Vars
      • K(c);S_FLIGHT,XR(F)::QAR2(G)
      • B(f);SBLOCK,XB(E)::S(D)
      • S(a);N_GUARD,SBLOCK,XR(F)::P(B)
      • P(e);N_GUARD,XP(C)::R1(F)
      • B(f);OGATE::QAB(G),XB(g)
      • B(g);SBLOCK::QAB1(G)
      • B(g);N_GUARD::QAB(G),XB(g)
      • B(g);N_GUARD::QAB(G)
      • S(a);N_GUARD::QAB1(G)
      • S(a);N_GUARD::QAB1(G),XS(a)
      • S(b);N_GUARD::R1(F)
      • S(b);N_GUARD::R1(F),XS(b)
      • P(e);N_GUARD::R1(F)
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