MESON Chess Problem Database
Problem Display
PID: 140889 (B4n2/5n2/1p6/1p1K1N2/2pP1Np1/5k2/1R5Q/4b3 w - - 0 1)
Aarzen, Hans
Probleemblad, 1980
#2
7 + 8
| 15148 | Sadier Collection | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Bd2
- 2.Qg3#
- 1...Bf2
- 2.Rxf2#
- 2.Qxf2#
- 1...Bc3
- 2.Rf2#
- 2.Qg3#
- 2.Qf2#
- 1...Bg3
- 2.Qxg3#
- 1...Bb4
- 2.Rf2#
- 2.Qg3#
- 2.Qf2#
- 1...Ba5
- 2.Rf2#
- 2.Qg3#
- 2.Qf2#
- 1...Se5
- 2.Kxe5#
- 1...Sd6
- 2.Kxd6#
- 1...Sh6
- 2.Ke5#
- 2.Kd6#
- 1...Sh8
- 2.Ke5#
- 2.Kd6#
- 1...Se6
- 2.Kxe6#
- 1...Sg6
- 2.Ke6#
- 1...Sd7
- 2.Ke6#
- 1...Sh7
- 2.Ke6#
- 1...b4
- 2.Kxc4#
- 1...Bd2
- Tries
- 1.Se2?
- threat
- 2.Sg1#
- 1...Bf2
- 2.Qh1#
- 1...Bg3
- 2.Qxg3#
- 1...g3!
- threat
- 1.Sg2?
- threat
- 2.Sxe1#
- 2.Qf4#
- 1...Bd2
- 2.Sgh4#
- 1...g3
- 2.Qh5#
- 1...Bc3
- 2.Sgh4#
- 2.Sfh4#
- 2.Qg3#
- 2.Qf4#
- 1...Bg3
- 2.Qxg3#
- 1...Bb4
- 2.Sgh4#
- 2.Sfh4#
- 2.Qg3#
- 2.Qf4#
- 1...Bh4
- 2.Sgxh4#
- 2.Sfxh4#
- 2.Qf4#
- 1...Ba5
- 2.Sgh4#
- 2.Sfh4#
- 2.Qg3#
- 2.Qf4#
- 1...Se6
- 2.Kxe6#
- 2.Sxe1#
- 1...Sg6
- 2.Ke6#
- 2.Sxe1#
- 1...Bf2!
- threat
- 1.Sd3?
- threat
- 2.Sxe1#
- 2.Qf4#
- 2.Qh1#
- 2.Qe2#
- 2.Qg2#
- 1...g3
- 2.Qe2#
- 2.Qh5#
- 1...Bd2
- 2.Qf2#
- 1...Bf2
- 2.Rxf2#
- 2.Qh1#
- 2.Qxf2#
- 1...Bc3
- 2.Rf2#
- 2.Qg3#
- 2.Qf4#
- 2.Qh1#
- 2.Qe2#
- 2.Qf2#
- 2.Qg2#
- 1...Bg3
- 2.Qxg3#
- 2.Qh1#
- 2.Qe2#
- 2.Qg2#
- 1...Bb4
- 2.Rf2#
- 2.Qg3#
- 2.Qf4#
- 2.Qh1#
- 2.Qe2#
- 2.Qf2#
- 2.Qg2#
- 1...Bh4
- 2.Qf4#
- 2.Qh1#
- 2.Qe2#
- 2.Qg2#
- 1...Ba5
- 2.Rf2#
- 2.Qg3#
- 2.Qf4#
- 2.Qh1#
- 2.Qe2#
- 2.Qf2#
- 2.Qg2#
- 1...Se6
- 2.Kxe6#
- 2.Sxe1#
- 2.Qh1#
- 2.Qe2#
- 2.Qg2#
- 1...Sg6
- 2.Ke6#
- 2.Sxe1#
- 2.Qh1#
- 2.Qe2#
- 2.Qg2#
- 1...cxd3!
- threat
- 1.Sh3?
- threat
- 2.Sg1#
- 2.Qf4#
- 2.Qh1#
- 2.Qe2#
- 2.Qg2#
- 1...g3
- 2.Qe2#
- 1...Bd2
- 2.Sg1#
- 2.Qf2#
- 1...Bf2
- 2.Rxf2#
- 2.Qh1#
- 2.Qxf2#
- 1...Bg3
- 2.Qxg3#
- 2.Qh1#
- 2.Qe2#
- 2.Qg2#
- 1...Se6
- 2.Kxe6#
- 2.Sg1#
- 2.Qh1#
- 2.Qe2#
- 2.Qg2#
- 1...Sg6
- 2.Ke6#
- 2.Sg1#
- 2.Qh1#
- 2.Qe2#
- 2.Qg2#
- 1...gxh3!
- threat
- 1.Sh5?
- threat
- 2.Qf4#
- 2.Qh1#
- 2.Qe2#
- 2.Qg2#
- 1...g3
- 2.Qe2#
- 1...Bf2
- 2.Rxf2#
- 2.Qh1#
- 2.Qxf2#
- 1...Bg3
- 2.Qxg3#
- 2.Qh1#
- 2.Qe2#
- 2.Qg2#
- 1...Se6
- 2.Kxe6#
- 2.Qh1#
- 2.Qe2#
- 2.Qg2#
- 1...Sg6
- 2.Ke6#
- 2.Qh1#
- 2.Qe2#
- 2.Qg2#
- 1...Bd2!
- threat
- 1.Se6?
- threat
- 2.Qf4#
- 2.Qh1#
- 2.Qe2#
- 2.Qg2#
- 1...Sxe6
- 2.Kxe6#
- 1...g3
- 2.Qe2#
- 2.Qh5#
- 1...Bf2
- 2.Rxf2#
- 2.Qh1#
- 2.Qxf2#
- 1...Bg3
- 2.Qxg3#
- 2.Qh1#
- 2.Qe2#
- 2.Qg2#
- 1...Sg6
- 2.Qh1#
- 2.Qe2#
- 2.Qg2#
- 1...Bd2!
- threat
- 1.Sh4+?
- 1...Ke3
- 2.Re2#
- 1...Bxh4!
- 1...Ke3
- 1.Re2?
- threat
- 2.Re3#
- 1...Bg3
- 2.Qxg3#
- 1...Bd2
- 2.Sh4#
- 2.Rf2#
- 2.Qg3#
- 2.Qf2#
- 1...Bf2
- 2.Rxf2#
- 2.Qxf2#
- 1...g3!
- threat
- 1.Se2?
- Keys
- 1.Sg6!
- threat
- 2.Qf4#
- 2.Qh1#
- 2.Qe2#
- 2.Qg2#
- 1...Sxg6
- 2.Ke6#
- 1...g3
- 2.Qe2#
- 2.Qh5#
- 1...Bd2
- 2.Sgh4#
- 1...Bf2
- 2.Rxf2#
- 2.Qh1#
- 2.Qxf2#
- 1...Bg3
- 2.Qxg3#
- 2.Qh1#
- 2.Qe2#
- 2.Qg2#
- 1...Se6
- 2.Kxe6#
- 2.Qh1#
- 2.Qe2#
- 2.Qg2#
- threat
- 1.Sg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 7
- Sets
- B(a);N_GUARD::QAR1(B)
- B(a);N_GUARD::QAR1(B),XB(a)
- S(g);::B(G)+K(E),XS(g)
- S(h);::B(G)+K(E),XS(h)
- S(h);::B(G)+K(E)
- P(e);::B(G)+K(E),XP(c)
- Tries
- Try
- S(D);
- Threat
- S(D)
- Vars
- B(a);SBLOCK::QAB(B)
- B(a);N_GUARD::QAR1(B),XB(a)
- Refutation
- P(d);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- B(a);N_GUARD::S(D)
- P(d);OGATEB::QAB(B)
- B(a);N_GUARD::QAR1(B),XB(a)
- Refutation
- B(a);
- Try
- S(D);
- Threat
- DUALS(5)
- Vars
- B(a);N_GUARD::QAR1(B)
- Refutation
- P(c);XS(D)
- Try
- S(D);
- Threat
- DUALS(5)
- Vars
- P(d);::QAB1(B)
- Refutation
- P(d);XS(D)
- Try
- S(D);
- Threat
- DUALS(4)
- Vars
- P(d);::QAB1(B)
- Refutation
- B(a);
- Try
- S(D);
- Threat
- DUALS(4)
- Vars
- S(h);XS(D)::B(G)+K(E),XS(h)
- Refutation
- B(a);
- Try
- S(F);CHECK
- Vars
- K(b);P-FLIGHT::R1(A)
- Refutation
- B(a);XS(F)
- Try
- R(A);
- Threat
- R1(A)
- Vars
- B(a);N_GUARD::QAR1(B),XB(a)
- Refutation
- P(d);
- Try
- Actual
- S(D);
- Threat
- DUALS(4)
- Vars
- S(h);XS(D)::B(G)+K(E)
- B(a);N_GUARD::S(D)
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).