MESON Chess Problem Database
Problem Display
PID: 10045 (8/1p6/1p2N2N/1Q6/3Bk3/4nnP1/2p1P3/2K5 w - - 0 1)
Raducanescu, D
2nd Place, Romanian Championship, 1961
#2
7 + 6
| 273 | Mat Plus | 1994 |
SOLUTION
- SOUND
- Sets
- 1...Sd1
- 2.Qf5#
- 1...Sf1
- 2.Qf5#
- 1...Sg2
- 2.Qf5#
- 1...Sc4
- 2.Qf5#
- 1...Sg4
- 2.Qf5#
- 1...Sd5
- 2.Qd3#
- 1...Sf5
- 2.Qxf5#
- 1...Se1
- 2.Qe5#
- 1...Sg1
- 2.Qe5#
- 1...Sd2
- 2.Qe5#
- 1...Sh2
- 2.Qe5#
- 1...Sxd4
- 2.Sg5#
- 1...Sh4
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sg5
- 2.Qe5#
- 1...Sd1
- Tries
- 1.Sg5+?
- 1...Sxg5
- 2.Qe5#
- 1...Kxd4!
- 1...Sxg5
- 1.Sg4?
- threat
- 2.Sf2#
- 2.Sf6#
- 1...Sd5
- 2.Qd3#
- 1...Se5
- 2.Qxe5#
- 1...Sd1
- 2.Sf6#
- 1...Sxg4!
- threat
- 1.Sg8?
- threat
- 2.Sf6#
- 1...Sd5
- 2.Qd3#
- 1...Se5
- 2.Qxe5#
- 1...Sg4!
- threat
- 1.Ba1?
- threat
- 2.Qd3#
- 1...Se1
- 2.Sg5#
- 2.Qe5#
- 1...Sd4
- 2.Sg5#
- 1...Se5
- 2.Sg5#
- 2.Qxe5#
- 1...Sc4!
- threat
- 1.Bb2?
- threat
- 2.Qd3#
- 1...Se1
- 2.Sg5#
- 2.Qe5#
- 1...Sd4
- 2.Sg5#
- 1...Se5
- 2.Sg5#
- 2.Qxe5#
- 1...Sc4!
- threat
- 1.Bc3?
- threat
- 2.Qd3#
- 1...Se1
- 2.Sg5#
- 2.Qe5#
- 1...Sd4
- 2.Sg5#
- 1...Se5
- 2.Sg5#
- 2.Qxe5#
- 1...Sc4!
- threat
- 1.Bxb6?
- 1...Sc4
- 2.Qf5#
- 1...Sd1
- 2.Qf5#
- 1...Sf1
- 2.Qf5#
- 1...Sg2
- 2.Qf5#
- 1...Sg4
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Se1
- 2.Sg5#
- 1...Sg1
- 2.Sg5#
- 1...Sd2
- 2.Sg5#
- 1...Sh2
- 2.Sg5#
- 1...Sd4
- 2.Sg5#
- 1...Sh4
- 2.Sg5#
- 1...Se5
- 2.Sg5#
- 1...Sg5
- 2.Sxg5#
- 1...Sd5!
- 1...Sc4
- 1.Bf6?
- threat
- 2.Qd3#
- 1...Se1
- 2.Sg5#
- 2.Qe5#
- 1...Sd4
- 2.Sg5#
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sc4!
- threat
- 1.Bg7?
- threat
- 2.Qd3#
- 1...Se1
- 2.Sg5#
- 2.Qe5#
- 1...Sd4
- 2.Sg5#
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sc4!
- threat
- 1.Bh8?
- threat
- 2.Qd3#
- 1...Se1
- 2.Sg5#
- 2.Qe5#
- 1...Sd4
- 2.Sg5#
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sc4!
- threat
- 1.Qc6+?
- 1...Sd5
- 2.Qxc2#
- 1...bxc6!
- 1...Sd5
- 1.g4?
- 1...Sxg4
- 2.Qf5#
- 1...Sc4
- 2.Qf5#
- 1...Sd1
- 2.Qf5#
- 1...Sf1
- 2.Qf5#
- 1...Sg2
- 2.Qf5#
- 1...Sd5
- 2.Qd3#
- 1...Sf5
- 2.Qxf5#
- 1...Se1
- 2.Qe5#
- 1...Sg1
- 2.Qe5#
- 1...Sd2
- 2.Qe5#
- 1...Sh2
- 2.Qe5#
- 1...Sh4
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sg5
- 2.Qe5#
- 1...Sxd4!
- 1...Sxg4
- 1.Sg5+?
- Keys
- 1.Qd7!
- 1...Sxd4
- 2.Qxd4#
- 1...Sc4
- 2.Qxb7#
- 1...Sd1
- 2.Qxb7#
- 1...Sf1
- 2.Qxb7#
- 1...Sg2
- 2.Qxb7#
- 1...Sg4
- 2.Qxb7#
- 1...Sd5
- 2.Qh7#
- 1...Sf5
- 2.Qxb7#
- 1...Se1
- 2.Sg5#
- 1...Sg1
- 2.Sg5#
- 1...Sd2
- 2.Sg5#
- 1...Sh2
- 2.Sg5#
- 1...Sh4
- 2.Sg5#
- 1...Se5
- 2.Sg5#
- 1...Sg5
- 2.Sxg5#
- 1...b5
- 2.Sc5#
- 1...Sxd4
- 1.Qd7!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 15
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(b);N_GUARD::QAB1(E)
- S(b);SBLOCK::QAB1(E)
- S(b);N_GUARD::QAB1(E),XS(b)
- S(c);N_GUARD::QAR1(E)
- S(c);N_GUARD,SBLOCK,XB(D)::S(F)
- S(c);N_GUARD::QAR1(E),XS(c)
- Tries
- Try
- S(F);CHECK
- Vars
- S(c);XS(F)::QAR1(E)
- Refutation
- K(d);P-FLIGHT,XB(D)
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- S(b);SBLOCK::QAB1(E)
- S(c);N_GUARD::QAR1(E),XS(c)
- S(b);::S(G)
- Refutation
- S(b);XS(G)
- Try
- S(G);
- Threat
- S(G)
- Vars
- S(b);SBLOCK::QAB1(E)
- S(c);N_GUARD::QAR1(E),XS(c)
- Refutation
- S(b);
- Try
- B(D);
- Threat
- QAB1(E)
- Vars
- S(c);N_GUARD::S(F)
- Refutation
- S(b);
- Try
- B(D);
- Threat
- QAB1(E)
- Vars
- S(c);N_GUARD::S(F)
- Refutation
- S(b);
- Try
- B(D);
- Threat
- QAB1(E)
- Vars
- S(c);N_GUARD::S(F)
- Refutation
- S(b);
- Try
- B(D);XP(e)
- Vars
- S(b);N_GUARD::QAB1(E)
- S(b);N_GUARD::QAB1(E),XS(b)
- S(c);N_GUARD::S(F)
- S(c);N_GUARD::S(F),XS(c)
- Refutation
- S(b);
- Try
- B(D);
- Threat
- QAB1(E)
- Vars
- S(c);N_GUARD::QAR1(E),XS(c)
- Refutation
- S(b);
- Try
- B(D);
- Threat
- QAB1(E)
- Vars
- S(c);N_GUARD::QAR1(E),XS(c)
- Refutation
- S(b);
- Try
- B(D);
- Threat
- QAB1(E)
- Vars
- S(c);N_GUARD::QAR1(E),XS(c)
- Refutation
- S(b);
- Try
- Q(E);CHECK
- Vars
- S(b);N_GUARD,P_SPINS(b),SBLOCK::QAB(E),XP(a)
- Refutation
- P(f);XQ(E)
- Try
- P(C);
- Vars
- S(b);N_GUARD,XP(C)::QAB1(E)
- S(b);N_GUARD::QAB1(E)
- S(b);SBLOCK::QAB1(E)
- S(b);N_GUARD::QAB1(E),XS(b)
- S(c);N_GUARD::QAR1(E)
- S(c);N_GUARD::QAR1(E),XS(c)
- Refutation
- S(c);XB(D)
- Try
- Actual
- Q(E);
- Vars
- S(c);OGATE,XB(D)::QAR1(E),XS(c)
- S(b);N_GUARD::QAB(E),XP(f)
- S(b);N_GUARD,SBLOCK::QAB(E)
- S(c);N_GUARD::S(F)
- S(c);N_GUARD::S(F),XS(c)
- P(e);N_GUARD::S(F)
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).