MESON Chess Problem Database
Problem Display
PID: 206582 (8/5Bn1/5n2/1Np1k1P1/1pQb2P1/1P2pK2/4P3/8 w - - 0 1)
Boros, Sandor
Nepszava, 1925
#2
8 + 7
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Ba1
- 2.Qf4#
- 1...Bb2
- 2.Qf4#
- 1...Bc3
- 2.Qf4#
- 1...Se4
- 2.Qd5#
- 1...Sxg4
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sfh5
- 2.Qd5#
- 1...Sd7
- 2.Qd5#
- 1...Sh7
- 2.Qd5#
- 1...Sfe8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...Sf5
- 2.Qe6#
- 1...Sgh5
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Sge8
- 2.Qe6#
- 1...Ba1
- Tries
- 1.Sd6?
- 1...Sxg4
- 2.Qd5#
- 1...Ba1
- 2.Qf4#
- 1...Bb2
- 2.Qf4#
- 1...Bc3
- 2.Qf4#
- 1...Se4
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sfh5
- 2.Qd5#
- 1...Sd7
- 2.Qd5#
- 1...Sh7
- 2.Qd5#
- 1...Sfe8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...Sf5
- 2.Qe6#
- 1...Sgh5
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Sge8
- 2.Qe6#
- 1...Kxd6!
- 1...Sxg4
- 1.Sa7?
- 1...Sxg4
- 2.Qd5#
- 1...Ba1
- 2.Qf4#
- 1...Bb2
- 2.Qf4#
- 1...Bc3
- 2.Qf4#
- 1...Se4
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sfh5
- 2.Qd5#
- 1...Sd7
- 2.Qd5#
- 1...Sh7
- 2.Qd5#
- 1...Sfe8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...Sf5
- 2.Qe6#
- 1...Sgh5
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Sge8
- 2.Qe6#
- 1...Kd6!
- 1...Sxg4
- 1.Sc7?
- 1...Sxg4
- 2.Qd5#
- 1...Ba1
- 2.Qf4#
- 1...Bb2
- 2.Qf4#
- 1...Bc3
- 2.Qf4#
- 1...Se4
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sfh5
- 2.Qd5#
- 1...Sd7
- 2.Qd5#
- 1...Sh7
- 2.Qd5#
- 1...Sfe8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...Sf5
- 2.Qe6#
- 1...Sgh5
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Sge8
- 2.Qe6#
- 1...Kd6!
- 1...Sxg4
- 1.Bg8?
- 1...Sxg4
- 2.Qd5#
- 1...Ba1
- 2.Qf4#
- 1...Bb2
- 2.Qf4#
- 1...Bc3
- 2.Qf4#
- 1...Se4
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sfh5
- 2.Qd5#
- 1...Sd7
- 2.Qd5#
- 1...Sh7
- 2.Qd5#
- 1...Sfe8
- 2.Qd5#
- 1...Sf5
- 2.Qe6#
- 1...Sgh5
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Sge8
- 2.Qe6#
- 1...Sxg8!
- 1...Sxg4
- 1.Qxc5+?
- 1...Sd5
- 2.Qxd4#
- 2.Qd6#
- 2.Qxd5#
- 1...Bxc5!
- 1...Sd5
- 1.gxf6?
- 1...Ba1
- 2.Qf4#
- 1...Bb2
- 2.Qf4#
- 1...Bc3
- 2.Qf4#
- 1...Sf5
- 2.Qe6#
- 1...Sh5
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Se8
- 2.Qe6#
- 1...Kxf6!
- 1...Ba1
- 1.Sd6?
- Keys
- 1.Qd3!
- 1...Sxg4
- 2.Qe4#
- 1...Se6
- 2.Qf5#
- 1...Ba1
- 2.Qd6#
- 1...Bb2
- 2.Qd6#
- 1...Bc3
- 2.Qd6#
- 1...Se4
- 2.Qxe4#
- 1...Sd5
- 2.Qe4#
- 1...Sfh5
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...Sfe8
- 2.Qe4#
- 1...Sg8
- 2.Qe4#
- 1...Sf5
- 2.Qxf5#
- 1...Sgh5
- 2.Qf5#
- 1...Sge8
- 2.Qf5#
- 1...c4
- 2.Qxd4#
- 1...Sxg4
- 1.Qd3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 15
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(c);OGATE::QAB1(D)
- S(f);N_GUARD::QAR1(D)
- S(f);N_GUARD,XP(E)::QAR1(D)
- S(f);N_GUARD::QAR1(D),XS(f)
- S(g);N_GUARD::QAR1(D)
- S(g);N_GUARD::QAR1(D),XS(g)
- Tries
- Try
- S(F);
- Vars
- S(f);N_GUARD,XP(E)::QAR1(D)
- B(c);OGATE::QAB1(D)
- S(f);N_GUARD::QAR1(D)
- S(f);N_GUARD::QAR1(D),XS(f)
- S(g);N_GUARD::QAR1(D)
- S(g);N_GUARD::QAR1(D),XS(g)
- Refutation
- K(e);S_FLIGHT,XS(F)
- Try
- S(F);
- Vars
- S(f);N_GUARD,XP(E)::QAR1(D)
- B(c);OGATE::QAB1(D)
- S(f);N_GUARD::QAR1(D)
- S(f);N_GUARD::QAR1(D),XS(f)
- S(g);N_GUARD::QAR1(D)
- S(g);N_GUARD::QAR1(D),XS(g)
- Refutation
- K(e);S_FLIGHT
- Try
- S(F);
- Vars
- S(f);N_GUARD,XP(E)::QAR1(D)
- B(c);OGATE::QAB1(D)
- S(f);N_GUARD::QAR1(D)
- S(f);N_GUARD::QAR1(D),XS(f)
- S(g);N_GUARD::QAR1(D)
- S(g);N_GUARD::QAR1(D),XS(g)
- Refutation
- K(e);S_FLIGHT
- Try
- B(H);
- Vars
- S(f);N_GUARD,XP(E)::QAR1(D)
- B(c);OGATE::QAB1(D)
- S(f);N_GUARD::QAR1(D)
- S(f);N_GUARD::QAR1(D),XS(f)
- S(g);N_GUARD::QAR1(D)
- S(g);N_GUARD::QAR1(D),XS(g)
- Refutation
- S(f);XB(H)
- Try
- Q(D);CHECK,XP(d)
- Refutation
- B(c);XQ(D)
- Try
- P(G);XS(f)
- Vars
- B(c);OGATE::QAB1(D)
- S(g);N_GUARD::QAR1(D)
- S(g);N_GUARD::QAR1(D),XS(g)
- Refutation
- K(e);S_FLIGHT,XP(G)
- Try
- Actual
- Q(D);
- Vars
- S(f);N_GUARD,XP(E)::QAR1(D)
- S(g);N_GUARD::QAR1(D)
- B(c);OGATE::QAB1(D)
- S(f);N_GUARD::QAR1(D),XS(f)
- S(f);N_GUARD::QAR1(D)
- S(g);N_GUARD::QAR1(D),XS(g)
- P(d);N_GUARD::QAB1(D),XB(c)
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).