MESON Chess Problem Database
Problem Display
PID: 122388 (5R1K/b3r2p/r4n1B/1P2p1QP/1pB1k1Np/2P2b2/4N1P1/4nR2 w - - 0 1)
Prins, Hendrik
Wola Gulowska, 1992
#2
12 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sxf6#
- 1...Ra2
- 2.Sxf6#
- 1...Ra3
- 2.Sxf6#
- 1...Ra4
- 2.Sxf6#
- 1...Ra5
- 2.Sxf6#
- 1...Rb6
- 2.Sf2#
- 1...Rb7
- 2.Qxe5#
- 1...Rc7
- 2.Qxe5#
- 1...Rd7
- 2.Qxe5#
- 1...Rf7
- 2.Qxe5#
- 1...Rg7
- 2.Qxe5#
- 1...Bxe2
- 2.Qf5#
- 1...Bxg2
- 2.Qf5#
- 1...Bf2
- 2.Sxf2#
- 1...Bb6
- 2.Sxf6#
- 1...Bb8
- 2.Sf2#
- 1...Sc2
- 2.gxf3#
- 1...Sd3
- 2.gxf3#
- 1...Sxg4
- 2.Qf5#
- 1...Sd5
- 2.Qf5#
- 1...Sxh5
- 2.Qf5#
- 1...Sd7
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...Sg8
- 2.Qf5#
- 1...h3
- 2.Sg3#
- 1...Ra1
- Tries
- 1.Sd4?
- threat
- 2.Sf2#
- 2.Qe3#
- 2.Qf5#
- 1...Bxg4
- 2.Qe3#
- 1...Sxg2
- 2.Sf2#
- 2.Qf5#
- 1...Sxg4
- 2.Qf5#
- 1...bxc3
- 2.Qe3#
- 1...exd4
- 2.Sf2#
- 2.Qf4#
- 1...Ra2
- 2.Sxf6#
- 2.Qe3#
- 2.Qf5#
- 1...Sc2
- 2.Sf2#
- 2.Qf5#
- 2.gxf3#
- 1...Sd3
- 2.Qe3#
- 2.Qf5#
- 2.gxf3#
- 1...Sd5
- 2.Sf2#
- 2.Qf5#
- 1...Bxd4!
- threat
- 1.Bd5+?
- 1...Kd3
- 2.Qd2#
- 1...Sxd5
- 2.Qf5#
- 1...Kxd5!
- 1...Kd3
- 1.Rxf6?
- threat
- 2.Qf5#
- 1...Rxf6
- 2.Sxf6#
- 1...Bxg4
- 2.Qxg4#
- 1...Re8+!
- threat
- 1.Sd4?
- Keys
- 1.b6!
- threat
- 2.Sf2#
- 2.Sxf6#
- 1...Rxb6
- 2.Sf2#
- 1...Bxg2
- 2.Sxf6#
- 2.Qe3#
- 2.Qf5#
- 1...Bxg4
- 2.Qe3#
- 1...Bxb6
- 2.Sxf6#
- 1...Sxg4
- 2.Qf5#
- 1...Sxh5
- 2.Sf2#
- 2.Qe3#
- 2.Qf5#
- 1...Re6
- 2.Sf2#
- 1...Rf7
- 2.Sf2#
- 2.Qxe5#
- 1...Sd3
- 2.Sxf6#
- 2.gxf3#
- 1...Sd5
- 2.Sf2#
- 2.Qf5#
- 1...Sd7
- 2.Sf2#
- 2.Qe3#
- 2.Qf5#
- 1...Se8
- 2.Sf2#
- 2.Qe3#
- 2.Qf5#
- 1...Sg8
- 2.Sf2#
- 2.Qe3#
- 2.Qf5#
- threat
- 1.b6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 22
- Sets
- R(g);N_GUARD::S(F),XS(h)
- R(g);S_CUTB(i)::S(F)
- R(j);N_GUARD::QAR1(H),XP(f)
- B(b);XS(B)::QAB1(H)
- B(b);XP(C)::QAB1(H)
- B(i);N_GUARD::S(F),XB(i)
- B(i);S_CUTR(g)::S(F),XS(h)
- B(i);N_GUARD::S(F)
- S(a);N_GUARD::P(C),XB(b)
- S(h);XS(F)::QAB1(H)
- S(h);::QAB1(H)
- S(h);XP(I)::QAB1(H)
- P(e);N_GUARD::S(B)
- Tries
- Try
- S(B);
- Threat
- DUALS(3)
- Vars
- B(b);XS(F)::QAR1(H)
- S(h);XS(F)::QAB1(H)
- P(c);XP(D)::QAR1(H)
- Refutation
- B(i);XS(B)
- Try
- B(E);CHECK
- Vars
- K(d);S_FLIGHT::QAR1(H)
- S(h);SBLOCK,XB(E)::QAB1(H)
- Refutation
- K(d);P_SPINP(f),S_FLIGHT,XB(E)
- Try
- R(K);XS(h)
- Threat
- QAB1(H)
- Vars
- R(g);XR(K)::S(F),XR(g)
- B(b);OGATE,XS(F)::QAR2(H),XB(b)
- Refutation
- R(j);CHECK
- Try
- Actual
- P(G);
- Threat
- DUALS(2)
- Vars
- R(g);XP(G)::S(F)
- B(b);XS(F)::QAR1(H)
- B(i);XP(G)::S(F),XS(h)
- S(h);XS(F)::QAB1(H)
- R(j);::S(F)
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).