MESON Chess Problem Database
Problem Display
PID: 104001 (8/8/8/1p6/1BpkpP2/n2pN2p/3Q2pP/N5K1 w - - 0 1)
Andersson, Sven Tore
To Mat, 1959
#2
7 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sb1
- 2.Sac2#
- 1...Sc2
- 2.Saxc2#
- 1...c3
- 2.Sb3#
- 1...Sb1
- Tries
- 1.Bd6?
- 1...Sb1
- 2.Sac2#
- 1...Sc2
- 2.Saxc2#
- 1...c3
- 2.Sb3#
- 1...b4!
- 1...Sb1
- 1.Be7?
- 1...Sb1
- 2.Sac2#
- 1...Sc2
- 2.Saxc2#
- 1...c3
- 2.Sb3#
- 1...b4!
- 1...Sb1
- 1.Bf8?
- 1...Sb1
- 2.Sac2#
- 1...Sc2
- 2.Saxc2#
- 1...c3
- 2.Sb3#
- 1...b4!
- 1...Sb1
- 1.Qb2+?
- 1...Kxe3
- 2.Qf2#
- 1...c3!
- 1...Kxe3
- 1.Bd6?
- Keys
- 1.Qa2!
- 1...Kxe3
- 2.Qf2#
- 1...d2
- 2.Qxd2#
- 1...Sb1
- 2.Qa7#
- 1...Sc2
- 2.Qa7#
- 1...c3
- 2.Sf5#
- 1...Kxe3
- 1.Qa2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(b);N_GUARD::S(A)
- S(b);N_GUARD::S(A),XS(b)
- P(e);N_GUARD::S(A)
- Tries
- Try
- B(F);
- Vars
- S(b);N_GUARD::S(A)
- S(b);N_GUARD::S(A),XS(b)
- P(e);N_GUARD::S(A)
- Refutation
- P(h);
- Try
- B(F);
- Vars
- S(b);N_GUARD::S(A)
- S(b);N_GUARD::S(A),XS(b)
- P(e);N_GUARD::S(A)
- Refutation
- P(h);
- Try
- B(F);
- Vars
- S(b);N_GUARD::S(A)
- S(b);N_GUARD::S(A),XS(b)
- P(e);N_GUARD::S(A)
- Refutation
- P(h);
- Try
- Q(C);CHECK,N_PINP(c)
- Vars
- K(f);OGATEB,S_FLIGHT,XS(E)::QAB1(C)
- Refutation
- P(e);P_SPINP(e)
- Try
- Actual
- Q(C);N_PINP(c)
- Vars
- K(f);OGATEB,S_FLIGHT,XS(E)::QAB1(C)
- P(c);OGATEB::QAR2(C),XP(c)
- S(b);OGATE::QAB(C)
- P(e);::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).