MESON Chess Problem Database
Problem Display
PID: 103107 (3NQ3/r3B3/q2p1ppr/2pnkn1p/2p5/2p3p1/1NB1P3/3R1RK1 w - - 0 1)
Maleika, Gerhard
Main-Post, 1972
#2
9 + 14
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qb7
- 2.Sxc4#
- 1...Qc8
- 2.Sxc4#
- 1...Qa1
- 2.Sxc4#
- 1...Qa3
- 2.Sxc4#
- 1...Qa5
- 2.Sxc4#
- 1...Qb6
- 2.Sxc4#
- 1...Qc6
- 2.Sxc4#
- 1...Sde3
- 2.Bxd6#
- 1...Sb4
- 2.Bxd6#
- 1...Sf4
- 2.Bxd6#
- 1...Sb6
- 2.Bxd6#
- 1...Sc7
- 2.Bxd6#
- 1...Sfe3
- 2.Bxf6#
- 1...Sd4
- 2.Bxf6#
- 1...Sh4
- 2.Bxf6#
- 1...Sg7
- 2.Bxf6#
- 1...g5
- 2.Rxf5#
- 1...Qb7
- Tries
- 1.Qc6?
- threat
- 2.Rxd5#
- 2.Qxd5#
- 1...Qxc6
- 2.Sxc4#
- 1...Sdxe7
- 2.Qe4#
- 1...Qb7
- 2.Sxc4#
- 2.Rxd5#
- 1...Sde3
- 2.Qe4#
- 1...Sb4
- 2.Qe4#
- 1...Sf4
- 2.Qe4#
- 1...Sb6
- 2.Qe4#
- 1...Sc7
- 2.Qe4#
- 1...Sfe3
- 2.Bxd6#
- 1...Sd4
- 2.Bxd6#
- 1...Sfxe7!
- threat
- 1.Qxg6?
- threat
- 2.Rxf5#
- 2.Qxf5#
- 1...Rxg6
- 2.Rxf5#
- 1...Sfxe7
- 2.Qe4#
- 1...Qc8
- 2.Sxc4#
- 1...Sde3
- 2.Bxf6#
- 1...Sf4
- 2.Bxf6#
- 2.Qxf5#
- 1...Sfe3
- 2.Qe4#
- 1...Sd4
- 2.Qe4#
- 1...Sh4
- 2.Qe4#
- 1...Sg7
- 2.Qe4#
- 1...Sdxe7!
- threat
- 1.Qd7?
- threat
- 2.Sf7#
- 2.Qe6#
- 1...Qc8
- 2.Sxc4#
- 2.Sf7#
- 1...Rh7
- 2.Qe6#
- 1...Sf4
- 2.Sf7#
- 1...Sc7
- 2.Sf7#
- 1...Sd4
- 2.Sf7#
- 1...Sg7
- 2.Sf7#
- 1...Rxd7!
- threat
- 1.Qf7?
- threat
- 2.Rxd5#
- 2.Qxd5#
- 2.Qe6#
- 1...Rxe7
- 2.Rxd5#
- 2.Qxd5#
- 1...Sdxe7
- 2.Qe6#
- 1...Sfxe7
- 2.Qe6#
- 1...Qb7
- 2.Sxc4#
- 2.Qe6#
- 1...Qc8
- 2.Sxc4#
- 2.Rxd5#
- 2.Qxd5#
- 1...Qc6
- 2.Sxc4#
- 2.Sxc6#
- 2.Qe6#
- 1...Sde3
- 2.Bxf6#
- 2.Qe6#
- 2.Qxf6#
- 1...Sb4
- 2.Bxf6#
- 2.Qe6#
- 2.Qxf6#
- 1...Sf4
- 2.Bxf6#
- 2.Qxf6#
- 1...Sb6
- 2.Sc6#
- 2.Bxf6#
- 2.Qe6#
- 2.Qxf6#
- 1...Sc7
- 2.Bxf6#
- 2.Qxf6#
- 1...Sfe3
- 2.Qe6#
- 1...Sg7
- 2.Rxd5#
- 2.Qxd5#
- 1...Sd4!
- threat
- 1.Qc6?
- Keys
- 1.e4!
- threat
- 2.Rxd5#
- 1...Sdxe7
- 2.Rd5#
- 1...Qb7
- 2.Sxc4#
- 1...Qc6
- 2.Sxc4#
- 1...Sde3
- 2.Bxd6#
- 1...Sb4
- 2.Bxd6#
- 1...Sf4
- 2.Bxd6#
- 1...Sb6
- 2.Bxd6#
- 1...Sc7
- 2.Bxd6#
- 1...Sfe3
- 2.Bxf6#
- 1...Sd4
- 2.Bxf6#
- threat
- 1.e4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 8
- Sets
- Q(i);N_GUARD::S(D),XP(c)
- S(e);::QAR(I)+B(G),DCHECK,XP(j)
- S(g);::QAR(I)+B(G),DCHECK,XP(k)
- P(l);N_GUARD::R1(B),XS(g)
- Tries
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- Q(i);N_GUARD,XQ(I)::S(D),XP(c)
- S(e);OGATE,XB(G)::QAR1(I)
- S(e);OGATE::QAR1(I)
- S(g);N_GUARD::B(G),XP(j)
- Refutation
- S(g);XB(G)
- Try
- Q(I);XP(l)
- Threat
- DUALS(2)
- Vars
- R(m);XQ(I)::R1(B),XS(g)
- S(g);OGATE,XB(G)::QAR1(I)
- Q(i);N_GUARD::S(D),XP(c)
- S(e);N_GUARD::B(G),XP(k)
- S(g);OGATE::QAR1(I)
- Refutation
- S(e);XB(G)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- R(m);::QAR1(I)
- S(e);::S(H)
- S(g);::S(H)
- Refutation
- R(n);XQ(I)
- Try
- Q(I);
- Threat
- DUALS(3)
- Vars
- S(e);XB(G)::QAR1(I)
- S(g);XB(G)::QAR1(I)
- S(g);::QAR1(I)
- Refutation
- S(g);
- Try
- Actual
- P(F);
- Threat
- R1(A),XS(e)
- Vars
- S(e);P_SPINS(e),XB(G)::R1(A)
- Q(i);N_GUARD::S(D),XP(c)
- S(e);::QAR(I)+B(G),DCHECK,XP(j)
- S(g);::QAR(I)+B(G),DCHECK,XP(k)
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).