MESON Chess Problem Database
Problem Display
PID: 235187 (n1N3r1/1b5Q/2pBp2p/pP1kP3/P2N1ppq/1KP5/5n2/2b1R3 w - - 0 1)
Gruber, Lutz-Dieter
Schach, 2010
#2
10 + 13
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qg3
- 2.Se7#
- 1...Qe7
- 2.Sxe7#
- 1...Qh1
- 2.Se7#
- 1...Qh2
- 2.Se7#
- 1...Qh3
- 2.Se7#
- 1...Qh5
- 2.Se7#
- 1...Rg5
- 2.Se7#
- 1...Sd1
- 2.Qe4#
- 1...Sh1
- 2.Qe4#
- 1...Sd3
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sb6
- 2.Sxb6#
- 1...Sc7
- 2.Sb6#
- 1...cxb5
- 2.Qxb7#
- 1...c5
- 2.Qxb7#
- 1...Qg3
- Tries
- 1.Se2?
- threat
- 2.c4#
- 1...cxb5
- 2.Qxb7#
- 1...Qg3
- 2.Se7#
- 1...Qh3
- 2.Se7#
- 1...Sb6
- 2.Sxb6#
- 1...Rg6!
- threat
- 1.Sf3?
- threat
- 2.c4#
- 1...cxb5
- 2.Qxb7#
- 1...Sb6
- 2.Sxb6#
- 1...gxf3!
- threat
- 1.Sf5?
- threat
- 2.c4#
- 1...cxb5
- 2.Qxb7#
- 1...exf5
- 2.Qxg8#
- 2.Qf7#
- 1...Qg3
- 2.Sfe7#
- 2.Sce7#
- 1...Qh3
- 2.Sfe7#
- 2.Sce7#
- 1...Sb6
- 2.Sxb6#
- 1...Be3!
- threat
- 1.Sxc6?
- threat
- 2.c4#
- 1...Qg3
- 2.S6e7#
- 2.S8e7#
- 1...Qh3
- 2.S6e7#
- 2.S8e7#
- 1...Sb6
- 2.Sxb6#
- 1...Bxc6!
- threat
- 1.Qd3?
- threat
- 2.Qc4#
- 2.c4#
- 1...cxb5
- 2.Qxb5#
- 1...Be3
- 2.c4#
- 1...Sb6
- 2.Sxb6#
- 1...Sxd3!
- threat
- 1.Qd7?
- threat
- 2.Ba3#
- 2.Bb4#
- 2.Be7#
- 2.Bf8#
- 2.Qxe6#
- 1...Bxc8
- 2.Qxc6#
- 1...Qf6
- 2.Ba3#
- 2.Bb4#
- 2.Be7#
- 2.Bf8#
- 1...Qe7
- 2.Sxe7#
- 2.Bxe7#
- 1...Qd8
- 2.Qxe6#
- 1...Rg6
- 2.Ba3#
- 2.Bb4#
- 2.Be7#
- 2.Bf8#
- 1...Rg7
- 2.Be7#
- 2.Qxe6#
- 1...Rd8
- 2.Qxe6#
- 1...Re8
- 2.Ba3#
- 2.Bb4#
- 2.Be7#
- 2.Bf8#
- 1...Rf8
- 2.Ba3#
- 2.Bb4#
- 2.Be7#
- 2.Bxf8#
- 2.Qxe6#
- 1...Ba3
- 2.Bxa3#
- 2.Bb4#
- 2.Qxe6#
- 1...Se4
- 2.Qxe6#
- 1...Sb6
- 2.Sxb6#
- 2.Qxe6#
- 1...Sc7
- 2.Sb6#
- 2.Ba3#
- 2.Bb4#
- 2.Be7#
- 2.Bf8#
- 1...c5
- 2.Bc7#
- 2.Be7#
- 2.Bb8#
- 2.Bf8#
- 2.Qxe6#
- 2.Qxb7#
- 1...Be3!
- threat
- 1.Se2?
- Keys
- 1.Sc2!
- threat
- 2.c4#
- 1...cxb5
- 2.Qxb7#
- 1...Qg3
- 2.Se7#
- 1...Qh3
- 2.Se7#
- 1...Sb6
- 2.Sxb6#
- threat
- 1.Sc2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 12
- Sets
- Q(e);N_GUARD,P_PINP(C)::S(J)
- Q(e);N_GUARD::S(J),XQ(e)
- Q(e);N_GUARD::S(J)
- R(m);S_CUTQ(e)::S(J)
- S(b);N_GUARD::QAB1(I)
- S(b);N_GUARD::QAB1(I),XS(b)
- S(l);N_GUARD::S(J),XS(l)
- S(l);N_GUARD::S(J)
- P(h);OGATEB,XP(F)::QAB(I),XB(k)
- P(h);OGATEB::QAB(I),XB(k)
- Tries
- Try
- S(E);
- Threat
- P(C)
- Vars
- P(h);OGATEB,XP(F)::QAB(I),XB(k)
- Q(e);N_GUARD,P_PINP(C)::S(J)
- S(l);N_GUARD::S(J),XS(l)
- Refutation
- R(m);
- Try
- S(E);
- Threat
- P(C)
- Vars
- P(h);OGATEB,XP(F)::QAB(I),XB(k)
- S(l);N_GUARD::S(J),XS(l)
- Refutation
- P(d);XS(E)
- Try
- S(E);
- Threat
- P(C)
- Vars
- P(h);OGATEB,XP(F)::QAB(I),XB(k)
- S(l);N_GUARD::S(J),XS(l)
- Refutation
- B(a);
- Try
- S(E);XP(h)
- Threat
- P(C)
- Vars
- S(l);N_GUARD::S(J),XS(l)
- Refutation
- B(k);XS(E)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- P(h);OGATE,XP(F)::QAR2(I),XP(h)
- B(a);::P(C)
- S(l);N_GUARD::S(J),XS(l)
- Refutation
- S(b);XQ(I)
- Try
- Q(I);
- Threat
- DUALS(5)
- Vars
- B(k);N_GUARD,XS(J)::QAB1(I),XP(h)
- Q(e);::QAB1(I),XP(i)
- R(m);::QAB1(I),XP(i)
- S(b);::QAB1(I),XP(i)
- Refutation
- B(a);
- Try
- Actual
- S(E);
- Threat
- P(C)
- Vars
- P(h);OGATEB,XP(F)::QAB(I),XB(k)
- Q(e);N_GUARD,P_PINP(C)::S(J)
- S(l);N_GUARD::S(J),XS(l)
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).