MESON Chess Problem Database
Problem Display
PID: 91500 (3N3K/1p2Npp1/3p1nPn/4k1P1/1p1p4/1P2p1P1/2Q1P2p/7B w - - 0 1)
Morra, Juan Carlos
Probleemblad, 1960
#2
10 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Se4
- 2.Qxe4#
- 1...Sfg4
- 2.Qe4#
- 1...Sd5
- 2.Qe4#
- 1...Sh5
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...Se8
- 2.Qe4#
- 1...Sfg8
- 2.Qe4#
- 1...Shg4
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Shg8
- 2.Qf5#
- 1...d3
- 2.Qb2#
- 1...d5
- 2.Qc7#
- 1...b5
- 2.Sec6#
- 1...b6
- 2.Sec6#
- 1...fxg6
- 2.Sxg6#
- 1...Se4
- Tries
- 1.Qb1?
- 1...fxg6
- 2.Sxg6#
- 1...d3
- 2.Qa1#
- 2.Qb2#
- 1...Se4
- 2.Qxe4#
- 1...Sfg4
- 2.Qe4#
- 1...Sd5
- 2.Qe4#
- 1...Sh5
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...Se8
- 2.Qe4#
- 1...Sfg8
- 2.Qe4#
- 1...Shg4
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Shg8
- 2.Qf5#
- 1...b5
- 2.Sec6#
- 1...b6
- 2.Sec6#
- 1...d5!
- 1...fxg6
- 1.Qd3?
- 1...fxg6
- 2.Sxg6#
- 1...Se4
- 2.Qxe4#
- 1...Sfg4
- 2.Qe4#
- 1...Sd5
- 2.Qe4#
- 1...Sh5
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...Se8
- 2.Qe4#
- 1...Sfg8
- 2.Qe4#
- 1...Shg4
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Shg8
- 2.Qf5#
- 1...b5
- 2.Sec6#
- 1...b6
- 2.Sec6#
- 1...d5!
- 1...fxg6
- 1.Qc5+?
- 1...Sd5
- 2.Qxd5#
- 1...d5
- 2.Qc7#
- 1...dxc5!
- 1...Sd5
- 1.gxh6?
- threat
- 2.Qf5#
- 1...fxg6
- 2.Sxg6#
- 1...d3
- 2.Qb2#
- 1...d5
- 2.Qc7#
- 1...Se4!
- threat
- 1.gxf7?
- threat
- 2.Sg6#
- 1...d3
- 2.Qb2#
- 1...d5
- 2.Qc7#
- 1...Se4
- 2.Qxe4#
- 1...g6
- 2.Sxg6#
- 1...Sxf7+!
- threat
- 1.Qb1?
- Keys
- 1.Qc4!
- 1...fxg6
- 2.Qe6#
- 1...d5
- 2.Qc7#
- 1...Se4
- 2.Qd5#
- 1...Sfg4
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sh5
- 2.Qd5#
- 1...Sd7
- 2.Qd5#
- 1...Sh7
- 2.Qd5#
- 1...Se8
- 2.Qd5#
- 1...Sfg8
- 2.Qd5#
- 1...Shg4
- 2.Sxf7#
- 1...Sf5
- 2.Sxf7#
- 1...Shg8
- 2.Sxf7#
- 1...d3
- 2.Qf4#
- 1...b5
- 2.Sdc6#
- 1...b6
- 2.Sdc6#
- 1...fxg6
- 1.Qc4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 15
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(g);N_GUARD::QAR1(B),XS(g)
- S(g);N_GUARD::QAR1(B)
- S(h);N_GUARD::QAR1(B)
- S(h);N_GUARD::QAR1(B),XS(h)
- P(d);OGATEB::QAB(B)
- P(f);OGATEB::QAB(B)
- P(i);N_GUARD::S(H)
- P(j);XP(G)::S(H),XP(j)
- Tries
- Try
- Q(B);
- Vars
- P(j);XP(G)::S(H),XP(j)
- S(g);N_GUARD::QAR1(B),XS(g)
- S(g);N_GUARD::QAR1(B)
- S(h);N_GUARD::QAR1(B)
- S(h);N_GUARD::QAR1(B),XS(h)
- P(i);N_GUARD::S(H)
- Refutation
- P(f);
- Try
- Q(B);
- Vars
- P(j);XP(G)::S(H),XP(j)
- S(g);N_GUARD::QAR1(B),XS(g)
- S(g);N_GUARD::QAR1(B)
- S(h);N_GUARD::QAR1(B)
- S(h);N_GUARD::QAR1(B),XS(h)
- P(i);N_GUARD::S(H)
- Refutation
- P(f);
- Try
- Q(B);CHECK
- Vars
- S(g);N_GUARD,P_SPINS(g)::QAR1(B),XS(g)
- P(f);OGATEB,P_SPINP(f)::QAB(B)
- Refutation
- P(f);XQ(B)
- Try
- P(F);XS(h)
- Threat
- QAR1(B)
- Vars
- P(j);XP(G)::S(H),XP(j)
- P(d);OGATEB::QAB(B)
- P(f);OGATEB::QAB(B)
- Refutation
- S(g);
- Try
- P(G);XP(j)
- Threat
- S(H)
- Vars
- P(d);OGATEB::QAB(B)
- P(f);OGATEB::QAB(B)
- S(g);N_GUARD::QAR1(B),XS(g)
- P(k);::S(H),XP(k)
- Refutation
- S(h);CHECK,XP(G)
- Try
- Actual
- Q(B);
- Vars
- P(j);N_GUARD,XP(G)::QAR1(B)
- P(f);OGATEB::QAB(B)
- S(g);N_GUARD::QAR1(B)
- S(g);N_GUARD::QAR1(B),XS(g)
- S(h);N_GUARD::S(I),XP(j)
- P(d);OGATE::QAB1(B)
- P(i);N_GUARD::S(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).