MESON Chess Problem Database
Problem Display
PID: 95065 (1Q3B2/3PrPp1/1p4B1/1pPN2nR/1N1k1p2/3P1p2/KR3P2/8 w - - 0 1)
Vlcek, Peter
Pravda, 1999
#2
13 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kxc5
- 2.Qxb6#
- 1...Kxc5
- Tries
- 1.Sc2+?
- 1...Kxd5
- 2.Qd6#
- 1...Kxc5!
- 1...Kxd5
- 1.Sc6+?
- 1...Kxd5
- 2.Qd6#
- 1...Kxc5!
- 1...Kxd5
- 1.Sc3?
- 1...Kxc5
- 2.Qe5#
- 1...Rxd7
- 2.Sxb5#
- 1...Rxf7
- 2.Sxb5#
- 1...Sxf7
- 2.Sxb5#
- 1...bxc5
- 2.Sxb5#
- 1...Re1
- 2.Sxb5#
- 1...Re2
- 2.Sxb5#
- 1...Re3
- 2.Sxb5#
- 1...Re4
- 2.Sxb5#
- 1...Re5
- 2.Sxb5#
- 1...Re6
- 2.Sxb5#
- 1...Re8
- 2.Sxb5#
- 1...Sh3
- 2.Sxb5#
- 1...Se4
- 2.Sxb5#
- 1...Se6
- 2.Sxb5#
- 2.Qe5#
- 1...Sh7
- 2.Sxb5#
- 1...Kxc3!
- 1...Kxc5
- 1.Sxe7?
- 1...Kc3
- 2.Bxg7#
- 2.Qe5#
- 1...Kxc5
- 2.Sf5#
- 2.Sec6#
- 2.Qe5#
- 1...bxc5
- 2.Bxg7#
- 1...Sh3
- 2.Bxg7#
- 2.Qe5#
- 1...Se4
- 2.Qe5#
- 1...Se6
- 2.Qe5#
- 1...Sh7
- 2.Qe5#
- 1...Sxf7!
- 1...Kc3
- 1.Bxe7?
- 1...Sxf7
- 2.Sc2#
- 2.Sc6#
- 2.Qxf4#
- 1...Sh3
- 2.Sc2#
- 2.Sc6#
- 2.Qe5#
- 1...Se4
- 2.Qe5#
- 1...Se6
- 2.Sc2#
- 2.Sc6#
- 2.Qe5#
- 1...Sh7
- 2.Sc2#
- 2.Sc6#
- 2.Qxf4#
- 2.Qe5#
- 1...bxc5!
- 1...Sxf7
- 1.Bxg7+?
- 1...Kxc5
- 2.Rc2#
- 2.Qc7#
- 2.Qxb6#
- 1...Re5!
- 1...Kxc5
- 1.Rxg5?
- 1...Kxc5
- 2.Qxb6#
- 1...Rxd7
- 2.Sc2#
- 2.Sc6#
- 2.Qxf4#
- 2.Qe5#
- 1...Rxf7
- 2.Sc2#
- 2.Sc6#
- 2.Qe5#
- 1...bxc5
- 2.Sc2#
- 2.Sc6#
- 1...Re1
- 2.Sc2#
- 2.Sc6#
- 1...Re2
- 2.Sc6#
- 1...Re3
- 2.Sc2#
- 2.Sc6#
- 1...Re5
- 2.Qxe5#
- 1...Re6
- 2.Sc2#
- 1...Re8
- 2.Sc2#
- 2.Sc6#
- 1...Re4!
- 1...Kxc5
- 1.Qxf4+?
- 1...Kxc5
- 2.Bxe7#
- 2.Rc2#
- 1...Se4
- 2.Qe3#
- 1...Re4!
- 1...Kxc5
- 1.Sc2+?
- Keys
- 1.Sc7!
- 1...Kc3
- 2.Sxb5#
- 1...Kxc5
- 2.Se6#
- 1...Ke5
- 2.Bxg7#
- 1...Rxd7
- 2.Sxb5#
- 1...Rxf7
- 2.Sxb5#
- 1...Sxf7
- 2.Sxb5#
- 1...bxc5
- 2.Sxb5#
- 1...Re1
- 2.Sxb5#
- 1...Re2
- 2.Sxb5#
- 1...Re3
- 2.Sxb5#
- 1...Re4
- 2.Sxb5#
- 1...Re5
- 2.Sxb5#
- 1...Re6
- 2.Sxb5#
- 1...Re8
- 2.Sxb5#
- 1...Sh3
- 2.Sxb5#
- 1...Se4
- 2.Sxb5#
- 1...Se6
- 2.Sxb5#
- 1...Sh7
- 2.Sxb5#
- 1...Kc3
- 1.Sc7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 17
- REMOVED MATES = 0
- Sets
- K(b);OGATEB,P_SPINR(g),S_FLIGHT,XP(F)::QAB1(L),XP(f)
- Tries
- Try
- S(E);CHECK
- Vars
- K(b);P-FLIGHT,P_SPINS(e),XS(G)::QAR1(L)
- Refutation
- K(b);P_SPINR(g),S_FLIGHT,XP(F)
- Try
- S(E);CHECK
- Vars
- K(b);P-FLIGHT,P_SPINS(e),XS(G)::QAR1(L)
- Refutation
- K(b);P_SPINR(g),S_FLIGHT,XP(F)
- Try
- S(G);
- Vars
- K(b);P_SPINR(g),P_SPINS(e),S_FLIGHT,XP(F)::QAR2(L)
- R(g);XP(J)::S(G),XP(d)
- R(g);XP(K)::S(G),XP(d)
- S(e);XP(K)::S(G),XP(d)
- P(f);SBLOCK,XP(F)::S(G),XP(d)
- R(g);::S(G),XP(d)
- R(g);P_PINR(B)::S(G),XP(d)
- S(e);::S(G),XP(d)
- Refutation
- K(b);S_FLIGHT,XS(G)
- Try
- S(G);XR(g)
- Vars
- P(f);SBLOCK,XP(F)::B(M),XP(h)
- S(e);::QAB1(L)
- Refutation
- S(e);XP(K)
- Try
- B(M);XR(g)
- Vars
- S(e);::QAB1(L)
- Refutation
- P(f);XP(F)
- Try
- B(M);CHECK,XP(h)
- Refutation
- R(g);P_SPINR(g)
- Try
- R(H);XS(e)
- Vars
- K(b);OGATEB,P_SPINR(g),S_FLIGHT,XP(F)::QAB1(L),XP(f)
- R(g);P_PINR(B)::S(E)
- R(g);N_GUARD::QAB1(L),XR(g)
- R(g);::S(E)
- Refutation
- R(g);
- Try
- Q(L);CHECK,XP(c)
- Vars
- S(e);P_SPINS(e),S_CUTR(g)::QAB1(L)
- Refutation
- R(g);P_SPINR(g)
- Try
- Actual
- S(G);
- Vars
- K(b);S_FLIGHT::S(G),XP(d)
- K(b);P_SPINR(g),P_SPINS(e),S_FLIGHT,XP(F)::S(G)
- K(b);P_SPINS(e),S_FLIGHT::B(M),XP(h)
- R(g);XP(J)::S(G),XP(d)
- R(g);XP(K)::S(G),XP(d)
- S(e);XP(K)::S(G),XP(d)
- P(f);SBLOCK,XP(F)::S(G),XP(d)
- R(g);::S(G),XP(d)
- R(g);P_PINR(B)::S(G),XP(d)
- S(e);::S(G),XP(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).