MESON Chess Problem Database
Problem Display
PID: 241316 (q3nn2/p1P5/Q4P1K/1pPkN2P/1P1Pp1Bp/1p5P/4N3/8 w - - 0 1)
Gavrilov, Constantin Grigorievich
Revista Romana de Sah, 1928
#2
12 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qc6
- 2.Qxc6#
- 1...Qb7
- 2.Qxb7#
- 1...Qb8
- 2.Qc6#
- 1...Qc8
- 2.Qc6#
- 1...Qd8
- 2.Qb7#
- 2.Qc6#
- 1...Sd6
- 2.Qxd6#
- 1...Sxf6
- 2.Qd6#
- 1...Sxc7
- 2.Qd6#
- 1...Sg7
- 2.Qd6#
- 1...Se6
- 2.Bxe6#
- 2.Qxe6#
- 1...Sg6
- 2.Be6#
- 2.Qe6#
- 1...Sd7
- 2.Be6#
- 2.Qe6#
- 1...Sh7
- 2.Be6#
- 2.Qe6#
- 1...b2
- 2.Qa2#
- 1...e3
- 2.Bf3#
- 1...Qc6
- Tries
- 1.Kg5?
- 1...Se6+
- 2.Bxe6#
- 2.Qxe6#
- 1...Sxf6
- 2.Qd6#
- 1...Sxc7
- 2.Qd6#
- 1...e3
- 2.Bf3#
- 1...Qc6
- 2.Qxc6#
- 1...Qb7
- 2.Qxb7#
- 1...Qb8
- 2.Qc6#
- 1...Qc8
- 2.Qc6#
- 1...Qd8
- 2.Qb7#
- 2.Qc6#
- 1...Sd6
- 2.Qxd6#
- 1...Sg7
- 2.Qd6#
- 1...Sg6
- 2.Be6#
- 2.Qe6#
- 1...Sd7
- 2.Be6#
- 2.Qe6#
- 1...b2
- 2.Qa2#
- 1...Sh7+!
- 1...Se6+
- 1.Bf5?
- 1...Sxf6
- 2.Qd6#
- 1...Sxc7
- 2.Qd6#
- 1...Qc6
- 2.Qxc6#
- 1...Qb7
- 2.Qxb7#
- 1...Qb8
- 2.Qc6#
- 1...Qc8
- 2.Qc6#
- 1...Qd8
- 2.Qb7#
- 2.Qc6#
- 1...Sd6
- 2.Qxd6#
- 1...Sg7
- 2.Qd6#
- 1...Se6
- 2.Bxe6#
- 2.Qxe6#
- 1...Sg6
- 2.Be6#
- 2.Qe6#
- 1...Sd7
- 2.Be6#
- 2.Qe6#
- 1...Sh7
- 2.Be6#
- 2.Qe6#
- 1...b2
- 2.Qa2#
- 1...e3!
- 1...Sxf6
- 1.c8Q?
- threat
- 2.Qxa8#
- 1...Sd6
- 2.Qxd6#
- 1...Qc6
- 2.Qaxc6#
- 2.Qcxc6#
- 1...Qb7
- 2.Qaxb7#
- 2.Qcxb7#
- 1...Qb8
- 2.Qac6#
- 2.Qcc6#
- 1...Sc7
- 2.Qd6#
- 1...Qxc8!
- threat
- 1.c8S?
- threat
- 2.Se7#
- 1...e3
- 2.Bf3#
- 1...Qb7
- 2.Qxb7#
- 1...Sg6
- 2.Be6#
- 2.Qe6#
- 1...Qxc8!
- threat
- 1.c8B?
- 1...Sxf6
- 2.Qd6#
- 1...e3
- 2.Bf3#
- 1...Sd6
- 2.Qxd6#
- 1...Qc6
- 2.Qxc6#
- 1...Qb7
- 2.Bxb7#
- 2.Qxb7#
- 1...Qb8
- 2.Qc6#
- 1...Sc7
- 2.Qd6#
- 1...Sg7
- 2.Qd6#
- 1...Se6
- 2.Bgxe6#
- 2.Bcxe6#
- 2.Qxe6#
- 1...Sg6
- 2.Bge6#
- 2.Bce6#
- 2.Qe6#
- 1...Sd7
- 2.Be6#
- 2.Qe6#
- 1...Sh7
- 2.Bge6#
- 2.Bce6#
- 2.Qe6#
- 1...b2
- 2.Qa2#
- 1...Qxc8!
- 1...Sxf6
- 1.c8R?
- 1...Sxf6
- 2.Qd6#
- 1...e3
- 2.Bf3#
- 1...Sd6
- 2.Qxd6#
- 1...Qc6
- 2.Qxc6#
- 1...Qb7
- 2.Qxb7#
- 1...Qb8
- 2.Qc6#
- 1...Sc7
- 2.Qd6#
- 1...Sg7
- 2.Qd6#
- 1...Se6
- 2.Bxe6#
- 2.Qxe6#
- 1...Sg6
- 2.Be6#
- 2.Qe6#
- 1...Sd7
- 2.Be6#
- 2.Qe6#
- 1...Sh7
- 2.Be6#
- 2.Qe6#
- 1...b2
- 2.Qa2#
- 1...Qxc8!
- 1...Sxf6
- 1.Kg5?
- Keys
- 1.f7!
- 1...Qc6+
- 2.Qxc6#
- 1...Sxc7
- 2.Qd6#
- 1...e3
- 2.Bf3#
- 1...Sd6
- 2.Qxd6#
- 1...Qb7
- 2.Qxb7#
- 1...Qb8
- 2.Qc6#
- 1...Qc8
- 2.Qc6#
- 1...Qd8
- 2.Qb7#
- 2.Qc6#
- 1...Sf6
- 2.Qd6#
- 1...Sg7
- 2.Qd6#
- 1...Se6
- 2.Bxe6#
- 2.Qxe6#
- 1...Sg6
- 2.Be6#
- 2.Qe6#
- 1...Sd7
- 2.Be6#
- 2.Qe6#
- 1...Sh7
- 2.Be6#
- 2.Qe6#
- 1...b2
- 2.Qa2#
- 1...Qc6+
- 1.f7!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- Q(g);N_GUARD,P_PINP(J)::QAB1(I),XQ(g)
- Q(g);N_GUARD::QAB(I),XQ(g)
- Q(g);N_GUARD::QAB1(I)
- S(h);N_GUARD::QAR1(I),XS(h)
- S(h);N_GUARD,XP(J)::QAR1(I)
- S(h);N_GUARD,XP(L)::QAR1(I)
- S(h);N_GUARD::QAR1(I)
- P(a);OGATEB::QAB(I)
- P(b);OGATEB::B(E)
- Tries
- Try
- K(K);S_FLIGHT
- Vars
- S(h);N_GUARD,XP(J)::QAR1(I)
- S(h);N_GUARD,XP(L)::QAR1(I)
- P(b);OGATEB::B(E)
- Q(g);N_GUARD::QAB1(I),XQ(g)
- Q(g);N_GUARD::QAB(I),XQ(g)
- Q(g);N_GUARD::QAB1(I)
- S(h);N_GUARD::QAR1(I),XS(h)
- S(h);N_GUARD::QAR1(I)
- P(a);OGATEB::QAB(I)
- Refutation
- S(i);CHECK
- Try
- B(E);
- Vars
- S(h);N_GUARD,XP(J)::QAR1(I)
- S(h);N_GUARD,XP(L)::QAR1(I)
- Q(g);N_GUARD,P_PINP(J)::QAB1(I),XQ(g)
- Q(g);N_GUARD::QAB(I),XQ(g)
- Q(g);N_GUARD::QAB1(I)
- S(h);N_GUARD::QAR1(I),XS(h)
- S(h);N_GUARD::QAR1(I)
- P(a);OGATEB::QAB(I)
- Refutation
- P(b);
- Try
- P(L);
- Threat
- QAB(L),XQ(g)
- Vars
- S(h);N_GUARD::QAR1(I),XS(h)
- S(h);N_GUARD::QAR1(I)
- Refutation
- Q(g);XQ(L)
- Try
- P(L);
- Threat
- S(L)
- Vars
- P(b);OGATEB::B(E)
- Q(g);N_GUARD::QAB(I),XQ(g)
- Refutation
- Q(g);XS(L)
- Try
- P(L);
- Vars
- S(h);N_GUARD,XP(J)::QAR1(I)
- P(b);OGATEB::B(E)
- S(h);N_GUARD::QAR1(I),XS(h)
- Q(g);N_GUARD,P_PINP(J)::QAB1(I),XQ(g)
- Q(g);N_GUARD::QAB1(I)
- S(h);N_GUARD::QAR1(I)
- P(a);OGATEB::QAB(I)
- Refutation
- Q(g);XB(L)
- Try
- P(L);
- Vars
- S(h);N_GUARD,XP(J)::QAR1(I)
- P(b);OGATEB::B(E)
- S(h);N_GUARD::QAR1(I),XS(h)
- Q(g);N_GUARD,P_PINP(J)::QAB1(I),XQ(g)
- Q(g);N_GUARD::QAB(I),XQ(g)
- Q(g);N_GUARD::QAB1(I)
- S(h);N_GUARD::QAR1(I)
- P(a);OGATEB::QAB(I)
- Refutation
- Q(g);XR(L)
- Try
- Actual
- P(J);
- Vars
- Q(g);CHECK,N_GUARD::QAB1(I),XQ(g)
- S(h);N_GUARD,XP(L)::QAR1(I)
- P(b);OGATEB::B(E)
- S(h);N_GUARD::QAR1(I),XS(h)
- Q(g);N_GUARD::QAB(I),XQ(g)
- Q(g);N_GUARD::QAB1(I)
- S(h);N_GUARD::QAR1(I)
- P(a);OGATEB::QAB(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).