MESON Chess Problem Database
Problem Display
PID: 174743 (2n4k/5BNp/5Kp1/3b4/2PQ4/7n/8/8 w - - 0 1)
Zajic, Helmut
Die Schwalbe, 1973
#2
5 + 6
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Bh1
- 2.Qd8#
- 1...Bg2
- 2.Qd8#
- 1...Bf3
- 2.Qd8#
- 1...Bxc4
- 2.Qd8#
- 1...Be4
- 2.Qd8#
- 1...Be6
- 2.Qd8#
- 1...Bb7
- 2.Qd8#
- 1...Ba8
- 2.Qd8#
- 1...Bh1
- Tries
- 1.Sf5?
- 1...Bxc4
- 2.Qd8#
- 1...Bxf7
- 2.Kxf7#
- 1...gxf5
- 2.Kxf5#
- 1...h5
- 2.Kxg6#
- 1...h6
- 2.Kxg6#
- 1...Bh1
- 2.Ke6#
- 2.Qd8#
- 1...Bg2
- 2.Ke6#
- 2.Qd8#
- 1...Bf3
- 2.Ke6#
- 2.Qd8#
- 1...Be4
- 2.Ke6#
- 2.Qd8#
- 1...Bc6
- 2.Ke6#
- 1...Be6
- 2.Kxe6#
- 2.Qd8#
- 1...Bb7
- 2.Ke6#
- 2.Qd8#
- 1...Ba8
- 2.Ke6#
- 2.Qd8#
- 1...Sg1
- 2.Kg5#
- 1...Sf2
- 2.Kg5#
- 1...Sf4
- 2.Kg5#
- 1...Sg5
- 2.Kxg5#
- 1...Sb6
- 2.Ke7#
- 1...Sd6
- 2.Ke7#
- 1...Sa7
- 2.Ke7#
- 1...Se7
- 2.Kxe7#
- 1...g5!
- 1...Bxc4
- 1.Se6?
- 1...Bxc4
- 2.Qd8#
- 1...Bxe6
- 2.Kxe6#
- 2.Qd8#
- 1...h5
- 2.Kxg6#
- 1...h6
- 2.Kxg6#
- 1...Bh1
- 2.Qd8#
- 1...Bg2
- 2.Qd8#
- 1...Bf3
- 2.Qd8#
- 1...Be4
- 2.Qd8#
- 1...Bb7
- 2.Qd8#
- 1...Ba8
- 2.Qd8#
- 1...Sg1
- 2.Kg5#
- 1...Sf2
- 2.Kg5#
- 1...Sf4
- 2.Kg5#
- 1...Sg5
- 2.Kxg5#
- 1...Sb6
- 2.Ke7#
- 1...Sd6
- 2.Ke7#
- 1...Sa7
- 2.Ke7#
- 1...Se7
- 2.Kxe7#
- 1...g5
- 2.Kf5#
- 1...Bc6!
- 1...Bxc4
- 1.Se8?
- 1...Bxf7
- 2.Kxf7#
- 1...h5
- 2.Kxg6#
- 1...h6
- 2.Kxg6#
- 1...Bh1
- 2.Ke6#
- 1...Bg2
- 2.Ke6#
- 1...Bf3
- 2.Ke6#
- 1...Be4
- 2.Ke6#
- 1...Bc6
- 2.Ke6#
- 1...Be6
- 2.Kxe6#
- 1...Bb7
- 2.Ke6#
- 1...Ba8
- 2.Ke6#
- 1...Sg1
- 2.Kg5#
- 1...Sf2
- 2.Kg5#
- 1...Sf4
- 2.Kg5#
- 1...Sg5
- 2.Kxg5#
- 1...Sb6
- 2.Ke7#
- 1...Sd6
- 2.Ke7#
- 1...Sa7
- 2.Ke7#
- 1...Se7
- 2.Kxe7#
- 1...g5
- 2.Kf5#
- 1...Bxc4!
- 1...Bxf7
- 1.Sf5?
- Keys
- 1.Sh5!
- 1...Bxc4
- 2.Qd8#
- 1...Bxf7
- 2.Kxf7#
- 1...gxh5
- 2.Kf5#
- 1...h6
- 2.Kxg6#
- 1...Bh1
- 2.Ke6#
- 2.Qd8#
- 1...Bg2
- 2.Ke6#
- 2.Qd8#
- 1...Bf3
- 2.Ke6#
- 2.Qd8#
- 1...Be4
- 2.Ke6#
- 2.Qd8#
- 1...Bc6
- 2.Ke6#
- 1...Be6
- 2.Kxe6#
- 2.Qd8#
- 1...Bb7
- 2.Ke6#
- 2.Qd8#
- 1...Ba8
- 2.Ke6#
- 2.Qd8#
- 1...Sg1
- 2.Kg5#
- 1...Sf2
- 2.Kg5#
- 1...Sf4
- 2.Kg5#
- 1...Sg5
- 2.Kxg5#
- 1...Sb6
- 2.Ke7#
- 1...Sd6
- 2.Ke7#
- 1...Sa7
- 2.Ke7#
- 1...Se7
- 2.Kxe7#
- 1...g5
- 2.Kf5#
- 1...Bxc4
- 1.Sh5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 13
- REMOVED MATES = 7
- Sets
- B(b);OGATE::QAR(B)
- B(b);OGATE,XP(A)::QAR(B)
- B(b);OGATE,SBLOCK::QAR(B)
- Tries
- Try
- S(E);
- Vars
- B(b);OGATE,XP(A)::QAR(B)
- B(b);XB(D)::QAB(B)+K(C),XB(b)
- P(c);XS(E)::QAB(B)+K(C),XP(c)
- P(d);::QAB(B)+K(C),XP(c)
- B(b);::QAB(B)+K(C)
- S(a);::QAB(B)+K(C)
- S(a);::QAB(B)+K(C),XS(a)
- S(e);::QAB(B)+K(C)
- S(e);::QAB(B)+K(C),XS(e)
- Refutation
- P(c);
- Try
- S(E);
- Vars
- B(b);OGATE,XP(A)::QAR(B)
- P(d);::QAB(B)+K(C),XP(c)
- B(b);OGATE::QAR(B)
- B(b);OGATE,SBLOCK::QAR(B)
- S(a);::QAB(B)+K(C)
- S(a);::QAB(B)+K(C),XS(a)
- S(e);::QAB(B)+K(C)
- S(e);::QAB(B)+K(C),XS(e)
- P(c);::QAB(B)+K(C)
- Refutation
- B(b);
- Try
- S(E);
- Vars
- B(b);XB(D)::QAB(B)+K(C),XB(b)
- P(d);::QAB(B)+K(C),XP(c)
- B(b);::QAB(B)+K(C)
- B(b);::QAB(B)+K(C),XB(b)
- B(b);SBLOCK::QAB(B)+K(C)
- S(a);::QAB(B)+K(C)
- S(a);::QAB(B)+K(C),XS(a)
- S(e);::QAB(B)+K(C)
- S(e);::QAB(B)+K(C),XS(e)
- P(c);::QAB(B)+K(C)
- Refutation
- B(b);XP(A)
- Try
- Actual
- S(E);
- Vars
- B(b);OGATE,XP(A)::QAR(B)
- B(b);XB(D)::QAB(B)+K(C),XB(b)
- P(c);XS(E)::QAB(B)+K(C)
- P(d);::QAB(B)+K(C),XP(c)
- B(b);::QAB(B)+K(C)
- S(a);::QAB(B)+K(C)
- S(a);::QAB(B)+K(C),XS(a)
- S(e);::QAB(B)+K(C)
- S(e);::QAB(B)+K(C),XS(e)
- P(c);::QAB(B)+K(C)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).