MESON Chess Problem Database
Problem Display
PID: 140234 (1K2k2r/5pP1/3R1Pp1/1p5q/2p1N3/p3Bp1p/r7/bQ1BR3 w k - 0 1)
Bakker, Peter Arie
1st HM., 05. Kwik-Toernooi, 1975
#2
9 + 12
| 102 | Probleemblad | 1975 |
SOLUTION
- SOUND
- Sets
- 1...Qg4
- 2.gxh8Q#
- 2.gxh8R#
- 1...Qh4
- 2.Qxb5#
- 1...Qc5
- 2.gxh8Q#
- 2.gxh8R#
- 1...Qd5
- 2.gxh8Q#
- 2.gxh8R#
- 1...Qe5
- 2.gxh8Q#
- 2.gxh8R#
- 1...Qf5
- 2.gxh8Q#
- 2.gxh8R#
- 1...Qg5
- 2.gxh8Q#
- 2.gxh8R#
- 1...Qh6
- 2.Qxb5#
- 1...Qh7
- 2.Qxb5#
- 1...Rh6
- 2.g8Q#
- 2.g8R#
- 1...Rh7
- 2.g8Q#
- 2.g8R#
- 1...Be5
- 2.Qxb5#
- 1...g5
- 2.Qxb5#
- 1...Qg4
- Tries
- 1.Sg5?
- threat
- 2.Qxb5#
- 1...Qxg5
- 2.gxh8Q#
- 2.gxh8R#
- 1...Rb2
- 2.Bd2#
- 2.Qe4#
- 1...Qg4
- 2.gxh8Q#
- 2.gxh8R#
- 1...Bb2
- 2.Bd4#
- 1...b4
- 2.Ba4#
- 1...Bxf6!
- threat
- 1.Bb6?
- threat
- 2.Rd8#
- 1...Bxf6
- 2.Sxf6#
- 1...Qd5
- 2.gxh8Q#
- 2.gxh8R#
- 1...Qe5
- 2.gxh8Q#
- 2.gxh8R#
- 1...Be5
- 2.Qxb5#
- 1...Rd2!
- threat
- 1.Bh6?
- threat
- 2.gxh8Q#
- 2.gxh8R#
- 1...Qxh6
- 2.Qxb5#
- 1...Rxh6
- 2.g8Q#
- 2.g8R#
- 1...Bxf6
- 2.Sxf6#
- 1...Rb2
- 2.gxh8Q#
- 2.gxh8R#
- 1...Qg4
- 2.gxh8Q#
- 2.gxh8R#
- 1...Qh4
- 2.Qxb5#
- 2.gxh8Q#
- 2.gxh8R#
- 1...Qc5
- 2.gxh8Q#
- 2.gxh8R#
- 1...Qd5
- 2.gxh8Q#
- 2.gxh8R#
- 1...Qe5
- 2.gxh8Q#
- 2.gxh8R#
- 1...Qf5
- 2.gxh8Q#
- 2.gxh8R#
- 1...Qg5
- 2.gxh8Q#
- 2.gxh8R#
- 1...Rc2
- 2.gxh8Q#
- 2.gxh8R#
- 1...Rd2
- 2.gxh8Q#
- 2.gxh8R#
- 1...Re2
- 2.gxh8Q#
- 2.gxh8R#
- 1...Rf2
- 2.gxh8Q#
- 2.gxh8R#
- 1...Rg2
- 2.gxh8Q#
- 2.gxh8R#
- 1...Rh2
- 2.gxh8Q#
- 2.gxh8R#
- 1...Rh7
- 2.g8Q#
- 2.g8R#
- 1...Rf8
- 2.gxf8Q#
- 2.gxf8R#
- 1...Bb2
- 2.gxh8Q#
- 2.gxh8R#
- 1...Bc3
- 2.gxh8Q#
- 2.gxh8R#
- 1...Bd4
- 2.gxh8Q#
- 2.gxh8R#
- 1...Be5
- 2.Qxb5#
- 2.gxh8Q#
- 2.gxh8R#
- 1...f2
- 2.gxh8Q#
- 2.gxh8R#
- 1...h2
- 2.gxh8Q#
- 2.gxh8R#
- 1...c3
- 2.gxh8Q#
- 2.gxh8R#
- 1...b4
- 2.gxh8Q#
- 2.gxh8R#
- 1...g5
- 2.Qxb5#
- 2.gxh8Q#
- 2.gxh8R#
- 1...Rg8!
- threat
- 1.Sg5?
- Keys
- 1.Bg5!
- threat
- 2.Qxb5#
- 1...Qxg5
- 2.gxh8Q#
- 2.gxh8R#
- 1...Bxf6
- 2.Sxf6#
- 1...Rb2
- 2.Sd2#
- 1...Qg4
- 2.gxh8Q#
- 2.gxh8R#
- 1...Bb2
- 2.Sc3#
- 1...b4
- 2.Ba4#
- threat
- 1.Bg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 5
- Sets
- Q(h);N_GUARD::PXR(l)=Q
- Q(h);N_GUARD::QAB(A),XP(g)
- Q(h);N_GUARD,P_PINR(F)::PXR(l)=Q
- R(l);N_GUARD::P=Q
- B(a);P_PINR(F),S_CUTQ(h)::QAB(A),XP(g)
- P(i);S_CUTQ(h)::QAB(A),XP(g)
- Tries
- Try
- S(E);
- Threat
- QAB(A),XP(g)
- Vars
- Q(h);N_GUARD,XS(E)::PXR(l)=Q
- Q(h);N_GUARD::PXR(l)=Q
- B(a);S_CUTR(b)::R(C)+B(D)
- P(g);OGATEB::B(B)
- Refutation
- B(a);XP(G)
- Try
- B(D);
- Threat
- R1(F)
- Vars
- B(a);XP(G)::R(C)+S(E),DCHECK,XB(a)
- Q(h);N_GUARD::PXR(l)=Q
- Q(h);N_GUARD,P_PINR(F)::PXR(l)=Q
- B(a);P_PINR(F),S_CUTQ(h)::QAB(A),XP(g)
- Refutation
- R(b);
- Try
- B(D);
- Threat
- PXR(l)=Q
- Vars
- Q(h);N_GUARD,XB(D)::QAB(A),XP(g)
- R(l);N_GUARD,XB(D)::P=Q
- B(a);XP(G)::R(C)+S(E),DCHECK,XB(a)
- R(b);::PXR(l)=Q
- Q(h);::PXR(l)=Q
- Q(h);P_PINR(F)::PXR(l)=Q
- R(l);N_GUARD::P=Q
- R(l);OGATE::PXR(l)=Q
- B(a);::PXR(l)=Q
- P(d);::PXR(l)=Q
- P(e);::PXR(l)=Q
- P(f);::PXR(l)=Q
- P(g);::PXR(l)=Q
- Refutation
- R(l);
- Try
- Actual
- B(D);
- Threat
- QAB(A),XP(g)
- Vars
- Q(h);N_GUARD,XB(D)::PXR(l)=Q
- B(a);XP(G)::R(C)+S(E),DCHECK,XB(a)
- R(b);S_CUTB(a)::R(C)+S(E)
- Q(h);N_GUARD::PXR(l)=Q
- B(a);S_CUTR(b)::R(C)+S(E)
- P(g);OGATEB::B(B)
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).