MESON Chess Problem Database
Problem Display
PID: 243936 (8/4p3/1p2P1p1/1R2P1Pb/KP3kpQ/4N3/2nP1NP1/1B6 w - - 0 1)
Fleck, Ferenc
idee & form, 1991
#2
12 + 7
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sa1
- 2.Sh3#
- 1...Se1
- 2.Sh3#
- 1...Sa3
- 2.Sh3#
- 1...Sxe3
- 2.Sh3#
- 1...Sxb4
- 2.Sh3#
- 1...Sd4
- 2.Sh3#
- 1...Sa1
- Tries
- 1.Se4?
- 1...Sxe3
- 2.Qf2#
- 1...Sxb4
- 2.Qf2#
- 2.Qg3#
- 1...Sa1
- 2.Qf2#
- 2.Qg3#
- 1...Se1
- 2.Qg3#
- 1...Sa3
- 2.Qf2#
- 2.Qg3#
- 1...Sd4
- 2.Qg3#
- 1...Kxe4!
- 1...Sxe3
- 1.Sed1?
- 1...Sxb4
- 2.Sh3#
- 1...Sa1
- 2.Sh3#
- 1...Se1
- 2.Sh3#
- 1...Sa3
- 2.Sh3#
- 1...Se3
- 2.Sh3#
- 2.dxe3#
- 1...Sd4
- 2.Sh3#
- 1...Kf5!
- 1...Sxb4
- 1.Sf1?
- 1...Sxb4
- 2.Sh3#
- 1...Sa1
- 2.Sh3#
- 1...Se1
- 2.Sh3#
- 1...Sa3
- 2.Sh3#
- 1...Se3
- 2.Sh3#
- 2.dxe3#
- 1...Sd4
- 2.Sh3#
- 1...Kf5!
- 1...Sxb4
- 1.Sc4?
- 1...Sxb4
- 2.Sh3#
- 1...Sa1
- 2.Sh3#
- 1...Se1
- 2.Sh3#
- 1...Sa3
- 2.Sh3#
- 1...Se3
- 2.Sh3#
- 2.dxe3#
- 1...Sd4
- 2.Sh3#
- 1...Kf5!
- 1...Sxb4
- 1.Sexg4?
- 1...Bxg4
- 2.Qxg4#
- 1...Sxb4
- 2.Sh3#
- 2.Rxb4#
- 1...Sa1
- 2.Sh3#
- 1...Se1
- 2.Sh3#
- 1...Sa3
- 2.Sh3#
- 1...Se3
- 2.Sh3#
- 2.dxe3#
- 1...Sd4
- 2.Sh3#
- 1...Kf5!
- 1...Bxg4
- 1.Rd5?
- 1...Sxe3
- 2.Sh3#
- 1...Sxb4
- 2.Sh3#
- 1...Sa1
- 2.Sh3#
- 1...Se1
- 2.Sh3#
- 1...Sa3
- 2.Sh3#
- 1...Sd4
- 2.Sh3#
- 1...b5+!
- 1...Sxe3
- 1.Se4?
- Keys
- 1.Sfxg4!
- 1...Ke4
- 2.Sf2#
- 1...Bxg4
- 2.Qxg4#
- 1...Sxe3
- 2.dxe3#
- 1...Sxb4
- 2.Rxb4#
- 1...Sa1
- 2.Sd5#
- 1...Se1
- 2.Sd5#
- 1...Sa3
- 2.Sd5#
- 1...Sd4
- 2.Sd5#
- 1...Ke4
- 1.Sfxg4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 6
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(a);::S(C)
- S(a);XS(E)::S(C)
- S(a);XP(G)::S(C)
- Tries
- Try
- S(C);
- Vars
- S(a);XS(E)::QAR2(H)
- S(a);::QAB1(H)
- Refutation
- K(b);P-FLIGHT,P_SPINS(a),XS(C)
- Try
- S(E);
- Vars
- S(a);XP(G)::S(C)
- S(a);::S(C)
- Refutation
- K(b);N_SPINP(c),P-FLIGHT,P_SPINS(a)
- Try
- S(E);
- Vars
- S(a);XP(G)::S(C)
- S(a);::S(C)
- Refutation
- K(b);N_SPINP(c),P-FLIGHT,P_SPINS(a)
- Try
- S(E);
- Vars
- S(a);XP(G)::S(C)
- S(a);::S(C)
- Refutation
- K(b);N_SPINP(c),P-FLIGHT,P_SPINS(a)
- Try
- S(E);XP(c)
- Vars
- B(d);OGATE,P_SPINB(d),XS(E)::QAR1(H),XB(d)
- S(a);::S(C)
- Refutation
- K(b);P-FLIGHT,P_SPINS(a)
- Try
- R(I);
- Vars
- S(a);XS(E)::S(C)
- S(a);XP(G)::S(C)
- S(a);::S(C)
- Refutation
- P(e);CHECK
- Try
- Actual
- S(C);XP(c)
- Vars
- K(b);P-FLIGHT,P_SPINS(a)::QAR(H)+S(C),DCHECK
- B(d);OGATE,P_SPINB(d),XS(C)::QAR1(H),XB(d)
- S(a);OGATE,XS(E)::P(B),XS(a)
- S(a);OGATE,XP(G)::R(I),XS(a)
- S(a);::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).