MESON Chess Problem Database
Problem Display
PID: 116198 (r2n1K2/1bBpPpp1/2p1kb1R/1Npn1p1N/5p2/6q1/4r3/QB6 w - - 0 1)
van Gool, Johann Christoffel
2nd Prize, 04. Kwik-Toernooi, 1975
#2
8 + 15
| 102 | Probleemblad | 1975 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qe1
- 2.Sxg7#
- 1...Qf2
- 2.Sxg7#
- 1...Qh2
- 2.Sxg7#
- 1...Qh4
- 2.Sxg7#
- 1...Qa3
- 2.Sxg7#
- 1...Qb3
- 2.Sxg7#
- 1...Qc3
- 2.Sxg7#
- 1...Qd3
- 2.Sxg7#
- 1...Qe3
- 2.Sxg7#
- 1...Qf3
- 2.Sxg7#
- 1...Qh3
- 2.Sxg7#
- 1...Rea2
- 2.Qe5#
- 1...Rc2
- 2.Qe5#
- 1...Rd2
- 2.Qe5#
- 1...Rf2
- 2.Qe5#
- 1...Rg2
- 2.Qe5#
- 1...Rh2
- 2.Qe5#
- 1...Re5
- 2.Qxe5#
- 1...Rxa1
- 2.exd8S#
- 1...Raa2
- 2.exd8S#
- 1...Ra3
- 2.exd8S#
- 1...Ra4
- 2.exd8S#
- 1...Ra5
- 2.exd8S#
- 1...Ra6
- 2.exd8S#
- 1...Ra7
- 2.exd8S#
- 1...Bc8
- 2.exd8S#
- 1...Se3
- 2.Qe5#
- 1...c4
- 2.Sd4#
- 1...g5
- 2.Sg7#
- 1...Qe1
- Keys
- 1.Ba2!
- threat
- 2.e8Q#
- 2.e8R#
- 1...Rexa2
- 2.Qe5#
- 1...Raxa2
- 2.exd8S#
- 1...cxb5
- 2.e8Q#
- 2.e8R#
- 1...gxh6
- 2.Qxf6#
- 1...Qe1
- 2.Sxf4#
- 2.Sxg7#
- 2.e8Q#
- 2.e8R#
- 1...Qf2
- 2.Sxg7#
- 2.e8Q#
- 2.e8R#
- 1...Qh2
- 2.Sxg7#
- 2.e8Q#
- 2.e8R#
- 1...Qh4
- 2.Sxg7#
- 2.e8Q#
- 2.e8R#
- 1...Qg1
- 2.Sxf4#
- 2.e8Q#
- 2.e8R#
- 1...Qg2
- 2.Sxf4#
- 2.e8Q#
- 2.e8R#
- 1...Qa3
- 2.Sxf4#
- 2.Sxg7#
- 2.e8Q#
- 2.e8R#
- 1...Qb3
- 2.Sxg7#
- 1...Qc3
- 2.Sxf4#
- 2.Sxg7#
- 2.e8Q#
- 2.e8R#
- 1...Qd3
- 2.Sxf4#
- 2.Sxg7#
- 2.e8Q#
- 2.e8R#
- 1...Qe3
- 2.Sxg7#
- 2.e8Q#
- 2.e8R#
- 1...Qf3
- 2.Sxg7#
- 2.e8Q#
- 2.e8R#
- 1...Qh3
- 2.Sxf4#
- 2.Sxg7#
- 2.e8Q#
- 2.e8R#
- 1...Qg4
- 2.e8Q#
- 2.e8R#
- 1...Qg5
- 2.e8Q#
- 2.e8R#
- 1...Qg6
- 2.Sxf4#
- 1...Re1
- 2.e8Q#
- 2.e8R#
- 1...Rb2
- 2.e8Q#
- 2.e8R#
- 1...Rc2
- 2.Qe5#
- 2.e8Q#
- 2.e8R#
- 1...Rd2
- 2.Qe5#
- 2.e8Q#
- 2.e8R#
- 1...Rf2
- 2.Qe5#
- 2.e8Q#
- 2.e8R#
- 1...Rg2
- 2.Qe5#
- 2.e8Q#
- 2.e8R#
- 1...Rh2
- 2.Qe5#
- 2.e8Q#
- 2.e8R#
- 1...Re3
- 2.e8Q#
- 2.e8R#
- 1...Re4
- 2.e8Q#
- 2.e8R#
- 1...Re5
- 2.Qxe5#
- 2.e8Q#
- 2.e8R#
- 1...Ra3
- 2.exd8S#
- 2.e8Q#
- 2.e8R#
- 1...Ra4
- 2.exd8S#
- 2.e8Q#
- 2.e8R#
- 1...Ra5
- 2.exd8S#
- 2.e8Q#
- 2.e8R#
- 1...Ra6
- 2.exd8S#
- 2.e8Q#
- 2.e8R#
- 1...Ra7
- 2.exd8S#
- 2.e8Q#
- 2.e8R#
- 1...Rb8
- 2.e8Q#
- 2.e8R#
- 1...Rc8
- 2.e8Q#
- 2.e8R#
- 1...Ba6
- 2.e8Q#
- 2.e8R#
- 1...Bc8
- 2.exd8S#
- 2.e8Q#
- 2.e8R#
- 1...f3
- 2.e8Q#
- 2.e8R#
- 1...c4
- 2.Sd4#
- 1...g5
- 2.Sg7#
- 2.Rxf6#
- 2.Qxf6#
- 2.e8Q#
- 2.e8R#
- 1...g6
- 2.Qxf6#
- threat
- 1.Ba2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 25
- Sets
- Q(b);N_GUARD::S(D),XP(m)
- R(a);N_GUARD::QAR1(A)
- R(a);N_GUARD::QAR1(A),XR(a)
- R(n);N_GUARD,XQ(A)::PXS(o)=S
- R(n);N_GUARD::PXS(o)=S
- B(j);S_CUTR(n)::PXS(o)=S
- S(e);S_CUTR(a)::QAR1(A)
- P(d);N_GUARD::S(C)
- P(m);S_CUTQ(b)::S(D)
- Actual
- B(B);P_PINS(e)
- Threat
- P=Q
- Vars
- R(a);N_GUARD,N_SPINS(e),XB(B)::QAR1(A)
- R(n);N_GUARD,N_SPINS(e),XB(B)::PXS(o)=S
- P(g);XS(C)::P=Q
- P(m);N_GUARD,N_SPINB(i),XR(E)::QAR1(A),XB(i)
- Q(b);N_GUARD,N_SPINS(e)::S(D),XP(m)
- Q(b);::P=Q
- Q(b);N_GUARD,N_SPINB(i)::S(D),XP(c)
- R(a);::P=Q
- R(n);::P=Q
- B(j);::P=Q
- P(c);::P=Q
- P(d);N_GUARD,N_SPINS(e)::S(C)
- P(m);N_GUARD,N_SPINB(i)::QAR1(A),XB(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).