MESON Chess Problem Database
Problem Display
PID: 103997 (8/2Q5/p7/B2Pp3/PN1pK3/pN2p3/rkPpP3/b2Rn3 w - - 0 1)
Swane, Jan Arnold Willem
Caissa, 1949
#2
10 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sxc2
- 2.Qxc2#
- 1...Sg2
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sf3
- 2.Sd3#
- 1...d3
- 2.Qxe5#
- 1...Sxc2
- Tries
- 1.Kf5?
- 1...Sxc2
- 2.Qxc2#
- 1...Sg2
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sf3
- 2.Sd3#
- 1...d3
- 2.Qxe5#
- 1...e4!
- 1...Sxc2
- 1.Sxa1?
- 1...Sxc2
- 2.Sd3#
- 2.Qxc2#
- 1...Sg2
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sf3
- 2.Sd3#
- 1...d3
- 2.Qxe5#
- 1...Rxa1!
- 1...Sxc2
- 1.Sxd4?
- 1...Sxc2
- 2.Sd3#
- 2.Qxc2#
- 1...Sg2
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sf3
- 2.Sd3#
- 1...exd4!
- 1...Sxc2
- 1.Bb6?
- 1...Sxc2
- 2.Qxc2#
- 1...Sg2
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sf3
- 2.Sd3#
- 1...d3
- 2.Qxe5#
- 1...a5!
- 1...Sxc2
- 1.Qc4?
- 1...Sxc2
- 2.Sd3#
- 2.Qxc2#
- 1...Sg2
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sf3
- 2.Sd3#
- 1...d3!
- 1...Sxc2
- 1.Qc5?
- 1...Sxc2
- 2.Qxc2#
- 1...Sg2
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sf3
- 2.Sd3#
- 1...d3!
- 1...Sxc2
- 1.Qc6?
- 1...Sxc2
- 2.Qxc2#
- 1...Sg2
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sf3
- 2.Sd3#
- 1...d3!
- 1...Sxc2
- 1.Qc8?
- 1...Sxc2
- 2.Qxc2#
- 1...Sg2
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sf3
- 2.Sd3#
- 1...d3!
- 1...Sxc2
- 1.d6?
- 1...Sxc2
- 2.Qxc2#
- 1...Sg2
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sf3
- 2.Sd3#
- 1...d3!
- 1...Sxc2
- 1.Kf5?
- Keys
- 1.Sc5!
- 1...Kc3
- 2.Scd3#
- 1...Sxc2
- 2.Sbd3#
- 1...Sg2
- 2.Scd3#
- 1...Sd3
- 2.Scxd3#
- 1...Sf3
- 2.Scd3#
- 1...d3
- 2.Qxe5#
- 1...Kc3
- 1.Sc5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(b);OGATE,XP(B)::QAR1(J),XS(b)
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- P(h);OGATEB::QAB(J),XP(i)
- Tries
- Try
- K(G);S_FLIGHT
- Vars
- S(b);OGATE,XP(B)::QAR1(J),XS(b)
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- P(h);OGATEB::QAB(J),XP(i)
- Refutation
- P(i);
- Try
- S(D);XB(a)
- Vars
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- P(h);OGATEB::QAB(J),XP(i)
- Refutation
- R(c);XS(D)
- Try
- S(D);XP(h)
- Vars
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- Refutation
- P(i);XS(D)
- Try
- B(H);
- Vars
- S(b);OGATE,XP(B)::QAR1(J),XS(b)
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- P(h);OGATEB::QAB(J),XP(i)
- Refutation
- P(j);
- Try
- Q(J);
- Vars
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- Refutation
- P(h);
- Try
- Q(J);
- Vars
- S(b);OGATE,XP(B)::QAR1(J),XS(b)
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- Refutation
- P(h);
- Try
- Q(J);
- Vars
- S(b);OGATE,XP(B)::QAR1(J),XS(b)
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- Refutation
- P(h);
- Try
- Q(J);
- Vars
- S(b);OGATE,XP(B)::QAR1(J),XS(b)
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- Refutation
- P(h);
- Try
- P(I);
- Vars
- S(b);OGATE,XP(B)::QAR1(J),XS(b)
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- Refutation
- P(h);
- Try
- Actual
- S(D);
- Vars
- K(d);S_FLIGHT::QAR(J)+S(D)
- S(b);N_GUARD,SBLOCK,XP(B)::S(F)
- S(b);N_GUARD::S(D)
- S(b);N_GUARD::S(D),XS(b)
- P(h);OGATEB::QAB(J),XP(i)
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).