MESON Chess Problem Database
Problem Display
PID: 240274 (4r3/P1P2Q1p/3Bp1p1/5N2/K3k2n/1R4Pn/7p/1N1R2b1 w - - 0 1)
Janevski, Zivko
Problem-Forum, 2006
#2
10 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Re7
- 2.a8Q#
- 2.a8B#
- 1...Ra8
- 2.Qxe6#
- 1...Rb8
- 2.Qxe6#
- 1...Rc8
- 2.Qxe6#
- 1...Rd8
- 2.Qxe6#
- 1...Rf8
- 2.Qxe6#
- 1...Rg8
- 2.Qxe6#
- 1...Rh8
- 2.Qxe6#
- 1...Be3
- 2.Rxe3#
- 1...Bd4
- 2.Rxd4#
- 1...Sf2
- 2.Rd4#
- 2.Re3#
- 1...Sf3
- 2.Sc3#
- 1...exf5
- 2.Qd5#
- 2.Qxe8#
- 1...e5
- 2.Sd2#
- 1...Re7
- Tries
- 1.Rbd3?
- threat
- 2.Sc3#
- 1...Be3
- 2.Rxe3#
- 1...Bd4!
- threat
- 1.c8Q?
- threat
- 2.Qcb7#
- 2.Qc2#
- 2.Qc6#
- 2.a8Q#
- 2.a8B#
- 1...Rxc8
- 2.Qxe6#
- 1...Bxa7
- 2.Qcb7#
- 2.Qc2#
- 2.Qc6#
- 1...Sxf5
- 2.Qcb7#
- 2.Qfb7#
- 2.Qc2#
- 2.Qc6#
- 2.a8Q#
- 2.a8B#
- 1...exf5
- 2.Qd5#
- 2.Qfxe8#
- 2.Qcb7#
- 2.Qfb7#
- 2.Qc2#
- 2.Qc6#
- 2.Qcxe8#
- 2.a8Q#
- 2.a8B#
- 1...gxf5
- 2.Qcb7#
- 2.Qfb7#
- 2.Qc2#
- 2.Qc6#
- 2.a8Q#
- 2.a8B#
- 1...Be3
- 2.Rxe3#
- 2.Qcb7#
- 2.Qc6#
- 2.a8Q#
- 2.a8B#
- 1...Bd4
- 2.Rxd4#
- 2.Qcb7#
- 2.Qc6#
- 2.a8Q#
- 2.a8B#
- 1...h1Q
- 2.Qcb7#
- 2.Qc2#
- 2.Qc6#
- 2.a8Q#
- 2.a8B#
- 1...h1S
- 2.Qcb7#
- 2.Qc2#
- 2.Qc6#
- 2.a8Q#
- 2.a8B#
- 1...h1B
- 2.Qcb7#
- 2.Qc2#
- 2.Qc6#
- 2.a8Q#
- 2.a8B#
- 1...h1R
- 2.Qcb7#
- 2.Qc2#
- 2.Qc6#
- 2.a8Q#
- 2.a8B#
- 1...Re7
- 2.Qc2#
- 2.Qc6#
- 1...Rd8
- 2.Qfxe6#
- 2.Qcxe6#
- 2.Qcb7#
- 2.Qc2#
- 2.Qc6#
- 2.a8Q#
- 2.a8B#
- 1...Rf8
- 2.Qfxe6#
- 2.Qcxe6#
- 2.Qcb7#
- 2.Qc2#
- 2.Qc6#
- 2.a8Q#
- 2.a8B#
- 1...Rg8
- 2.Qfxe6#
- 2.Qcxe6#
- 2.Qcb7#
- 2.Qc2#
- 2.Qc6#
- 2.a8Q#
- 2.a8B#
- 1...Rh8
- 2.Qfxe6#
- 2.Qcxe6#
- 2.Qcb7#
- 2.Qc2#
- 2.Qc6#
- 2.a8Q#
- 2.a8B#
- 1...Bf2
- 2.Qcb7#
- 2.Qc2#
- 2.Qc6#
- 2.a8Q#
- 2.a8B#
- 1...Bc5
- 2.Qcb7#
- 2.Qc6#
- 2.a8Q#
- 2.a8B#
- 1...Bb6
- 2.Qcb7#
- 2.Qc2#
- 2.Qc6#
- 2.a8Q#
- 2.a8B#
- 1...Sf2
- 2.Rd4#
- 2.Re3#
- 2.Qcb7#
- 2.Qc4#
- 2.Qc6#
- 2.a8Q#
- 2.a8B#
- 1...Sg5
- 2.Qcb7#
- 2.Qc2#
- 2.Qc6#
- 2.a8Q#
- 2.a8B#
- 1...Sg2
- 2.Qcb7#
- 2.Qc2#
- 2.Qc6#
- 2.a8Q#
- 2.a8B#
- 1...Sf3
- 2.Sc3#
- 2.Qcb7#
- 2.Qc2#
- 2.Qc6#
- 2.a8Q#
- 2.a8B#
- 1...e5
- 2.Sd2#
- 2.Qd5#
- 2.Qcb7#
- 2.Qfb7#
- 2.Qc2#
- 2.Qc6#
- 2.a8Q#
- 2.a8B#
- 1...g5
- 2.Qcb7#
- 2.Qc2#
- 2.Qc6#
- 2.a8Q#
- 2.a8B#
- 1...h5
- 2.Qcb7#
- 2.Qc2#
- 2.Qc6#
- 2.a8Q#
- 2.a8B#
- 1...h6
- 2.Qcb7#
- 2.Qc2#
- 2.Qc6#
- 2.a8Q#
- 2.a8B#
- 1...Sf4!
- threat
- 1.Rbd3?
- Keys
- 1.Se7!
- threat
- 2.Qxe6#
- 1...Rxe7
- 2.a8Q#
- 2.a8B#
- 1...Be3
- 2.Sc3#
- 1...Bd4
- 2.Sd2#
- 1...Sf4
- 2.Qxf4#
- 1...Sg5
- 2.Qf4#
- 1...Sf3
- 2.Qxf3#
- 1...e5
- 2.Qd5#
- threat
- 1.Se7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 4
- ADDED MATES = 2
- REMOVED MATES = 7
- Sets
- R(i);N_GUARD::P=Q
- R(i);N_GUARD,P_PINP(H)::QAR2(J),XP(f)
- R(i);N_GUARD::QAR2(J),XP(f)
- B(a);N_GUARD::R1(C),XB(a)
- B(a);N_GUARD::R1(B),XB(a)
- S(e);SBLOCK::S(A)
- P(f);::S(A)
- Tries
- Try
- R(C);
- Threat
- S(A)
- Vars
- B(a);N_GUARD::R1(C),XB(a)
- Refutation
- B(a);
- Try
- P(I);
- Threat
- DUALS(5)
- Vars
- R(i);N_GUARD,XQ(I)::QAR2(J),XP(f)
- Refutation
- S(c);
- Try
- Actual
- S(F);
- Threat
- QAR2(J),XP(f)
- Vars
- R(i);N_GUARD,XS(F)::P=Q
- B(a);SBLOCK::S(A)
- S(c);N_GUARD::QAR1(J),XS(c)
- S(c);N_GUARD::QAR1(J)
- S(e);N_GUARD::QAB1(J),XS(e)
- P(f);OGATE::QAB1(J)
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).