MESON Chess Problem Database
Problem Display
PID: 196825 (7B/4p3/R6b/pN3k2/Q7/1KN1p3/5n2/6R1 w - - 0 1)
Tuxen, Harri Viggo
Skakbladet, 1919
#2
7 + 6
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Bf4
- 2.Sd4#
- 1...Sd1
- 2.Qe4#
- 2.Qg4#
- 1...Sh1
- 2.Qe4#
- 2.Qg4#
- 1...Sd3
- 2.Qe4#
- 2.Qg4#
- 1...Sh3
- 2.Qe4#
- 2.Qg4#
- 1...Se4
- 2.Qxe4#
- 1...Sg4
- 2.Qxg4#
- 1...e5
- 2.Rf6#
- 1...e6
- 2.Sd6#
- 1...Bf4
- Tries
- 1.Sd5?
- threat
- 2.Sxe7#
- 1...Bg7
- 2.Qf4#
- 1...Sg4
- 2.Qxg4#
- 1...Bf8
- 2.Sxe3#
- 2.Qf4#
- 1...Se4
- 2.Sd4#
- 1...e5
- 2.Se7#
- 2.Rf6#
- 1...e6
- 2.Sd6#
- 2.Se7#
- 1...Bg5!
- threat
- 1.Sd6+?
- 1...Ke6
- 2.Rg6#
- 1...exd6!
- 1...Ke6
- 1.Rf6+?
- 1...Ke5
- 2.Qd4#
- 1...exf6!
- 1...Ke5
- 1.Rag6?
- 1...Bg5
- 2.R1xg5#
- 1...Bg7
- 2.R1g5#
- 1...Se4
- 2.Qxe4#
- 1...Sg4
- 2.Qe4#
- 2.Qxg4#
- 1...Bf4
- 2.Sd4#
- 1...Bf8
- 2.R1g5#
- 1...Sd1
- 2.Qe4#
- 2.Qg4#
- 1...Sh1
- 2.Qe4#
- 2.Qg4#
- 1...Sd3
- 2.Qe4#
- 2.Qg4#
- 1...Sh3
- 2.Qe4#
- 2.Qg4#
- 1...e5
- 2.Sd6#
- 2.Rf6#
- 1...e6
- 2.Sd6#
- 1...e2!
- 1...Bg5
- 1.Rxh6?
- 1...Se4
- 2.Qxe4#
- 1...Sg4
- 2.Qxg4#
- 1...Sd1
- 2.Qe4#
- 2.Qg4#
- 1...Sh1
- 2.Qe4#
- 2.Qg4#
- 1...Sd3
- 2.Qe4#
- 2.Qg4#
- 1...Sh3
- 2.Qe4#
- 2.Qg4#
- 1...e5
- 2.Sd6#
- 2.Rf6#
- 1...e6
- 2.Sd6#
- 2.Rh5#
- 1...e2!
- 1...Se4
- 1.Qf4+?
- 1...Bxf4
- 2.Sd4#
- 1...Kxf4!
- 1...Bxf4
- 1.Qh4?
- threat
- 2.Sd4#
- 1...Bg7
- 2.Rg5#
- 2.Qg5#
- 1...Sg4
- 2.Qxg4#
- 1...e5
- 2.Rf6#
- 2.Qf6#
- 1...a4+!
- threat
- 1.Sd5?
- Keys
- 1.Se2!
- 1...Bg7
- 2.Qf4#
- 1...Sg4
- 2.Qxg4#
- 1...Bg5
- 2.Sg3#
- 1...Bf4
- 2.Qxf4#
- 1...Bf8
- 2.Qf4#
- 1...Sd1
- 2.Qg4#
- 1...Sh1
- 2.Qg4#
- 1...Sd3
- 2.Qg4#
- 1...Sh3
- 2.Qg4#
- 1...Se4
- 2.Sbd4#
- 1...e5
- 2.Rf6#
- 1...e6
- 2.Sd6#
- 1...Bg7
- 1.Se2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- B(e);SBLOCK::S(E)
- S(a);N_GUARD::QAB1(D),XS(a)
- P(f);N_GUARD,SBLOCK::R1(F)
- P(f);N_GUARD,SBLOCK::S(E)
- Tries
- Try
- S(C);
- Threat
- S(C),XP(f)
- Vars
- B(e);N_GUARD::QAR1(D)
- S(a);N_GUARD::QAB1(D),XS(a)
- S(a);SBLOCK::S(E)
- Refutation
- B(e);
- Try
- S(E);CHECK
- Vars
- K(d);S_FLIGHT::R(A)
- Refutation
- P(f);XS(E)
- Try
- R(F);CHECK
- Vars
- K(d);P-FLIGHT::QAB1(D)
- Refutation
- P(f);XR(F)
- Try
- R(F);
- Vars
- B(e);N_GUARD::R1(A),XB(e)
- B(e);N_GUARD::R1(A)
- S(a);N_GUARD::QAB1(D),XS(a)
- B(e);SBLOCK::S(E)
- P(f);N_GUARD::S(E)
- Refutation
- P(b);
- Try
- R(F);XB(e)
- Vars
- S(a);N_GUARD::QAB1(D),XS(a)
- Refutation
- P(b);
- Try
- Q(D);CHECK
- Vars
- B(e);SBLOCK,XQ(D)::S(E)
- Refutation
- K(d);P-FLIGHT,XQ(D)
- Try
- Q(D);
- Threat
- S(E)
- Vars
- S(a);N_GUARD::QAB1(D),XS(a)
- Refutation
- P(c);CHECK
- Try
- Actual
- S(C);
- Vars
- B(e);N_GUARD::QAR1(D)
- S(a);N_GUARD::QAB1(D),XS(a)
- B(e);SBLOCK::S(C)
- B(e);N_GUARD::QAR1(D),XB(e)
- S(a);N_GUARD::QAB1(D)
- S(a);SBLOCK::S(E)
- P(f);N_GUARD,SBLOCK::R1(F)
- P(f);N_GUARD,SBLOCK::S(E)
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).