MESON Chess Problem Database
Problem Display
PID: 107839 (3brr2/1K1Q1B2/5P1R/3NkNpn/ppPp1nRp/q2P2Bb/6p1/8 w - - 0 1)
Burda, Josef
Hlas l'udu, 1989
#2
11 + 14
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Re6
- 2.Qxe6#
- 1...Be7
- 2.Qe6#
- 1...Re6
- Tries
- 1.Sxb4?
- threat
- 2.Sc6#
- 2.Qb5#
- 2.Qd5#
- 1...Qxd3
- 2.Qd5#
- 1...Rxf7
- 2.Sc6#
- 1...Sxg3
- 2.Sc6#
- 1...Sxf6
- 2.Sc6#
- 1...hxg3
- 2.Sc6#
- 1...Re6
- 2.Qb5#
- 2.Qxe6#
- 2.Qd5#
- 1...Qb2
- 2.Qb5#
- 2.Qd5#
- 1...Qb3
- 2.Qb5#
- 2.Qd5#
- 1...Re7
- 2.Sc6#
- 1...Bb6
- 2.Sc6#
- 2.Qd5#
- 1...Be7
- 2.Sc6#
- 2.Qe6#
- 2.Qd5#
- 1...Qxb4+!
- threat
- 1.Sde7?
- threat
- 2.Sc6#
- 2.Qb5#
- 2.Qe6#
- 2.Qxd4#
- 2.Qd5#
- 2.Qd6#
- 1...Qxd3
- 2.Qe6#
- 2.Qd5#
- 1...Rxf7
- 2.Sc6#
- 2.Qd5#
- 2.Qd6#
- 1...Bxe7
- 2.Qe6#
- 2.Qd5#
- 1...Sxg3
- 2.Sc6#
- 2.Qxd4#
- 2.Qd6#
- 1...Sxf6
- 2.Sc6#
- 2.Sg6#
- 2.Qe6#
- 2.Qxd4#
- 2.Qd6#
- 1...hxg3
- 2.Sc6#
- 2.Qxd4#
- 2.Qd6#
- 1...g1Q
- 2.Sc6#
- 2.Qb5#
- 2.Qe6#
- 2.Qd5#
- 2.Qd6#
- 1...g1B
- 2.Sc6#
- 2.Qb5#
- 2.Qe6#
- 2.Qd5#
- 2.Qd6#
- 1...Qb2
- 2.Sc6#
- 2.Qb5#
- 2.Qe6#
- 2.Qd5#
- 2.Qd6#
- 1...Qa1
- 2.Sc6#
- 2.Qb5#
- 2.Qe6#
- 2.Qd5#
- 2.Qd6#
- 1...Qc3
- 2.Sc6#
- 2.Qb5#
- 2.Qe6#
- 2.Qd5#
- 2.Qd6#
- 1...Bb6
- 2.Sc6#
- 2.Qe6#
- 2.Qd5#
- 2.Qd6#
- 1...Bc7
- 2.Sc6#
- 2.Qb5#
- 2.Qe6#
- 2.Qxd4#
- 2.Qd5#
- 2.Qxc7#
- 1...Sg7
- 2.Sc6#
- 2.Qb5#
- 2.Qxd4#
- 2.Qd5#
- 2.Qd6#
- 1...b3
- 2.Sc6#
- 2.Qe6#
- 2.Qxd4#
- 2.Qd5#
- 1...Rxe7!
- threat
- 1.Sxh4?
- threat
- 2.Sf3#
- 2.Sg6#
- 1...Bxg4
- 2.Sg6#
- 1...Sxg3
- 2.Sf3#
- 1...gxh4
- 2.Rxh5#
- 1...g1S
- 2.Sg6#
- 1...Re6
- 2.Qxe6#
- 1...Rg8
- 2.Sf3#
- 1...Qxd3!
- threat
- 1.Sfe7?
- threat
- 2.Sc6#
- 2.Sg6#
- 2.Qe6#
- 1...Qxd3
- 2.Qe6#
- 1...Rxf7
- 2.Sc6#
- 2.Sg6#
- 1...Bxg4
- 2.Sc6#
- 2.Sg6#
- 1...Bxe7
- 2.Qe6#
- 1...Sxg3
- 2.Sc6#
- 1...hxg3
- 2.Sc6#
- 1...Rg8
- 2.Sc6#
- 2.Qe6#
- 1...Sg7
- 2.Sc6#
- 2.Sg6#
- 1...Rxe7!
- threat
- 1.Sxb4?
- Keys
- 1.Qb5!
- threat
- 2.Sc3#
- 2.Sde3#
- 2.Sxb4#
- 2.Sxf4#
- 2.Sb6#
- 2.Sc7#
- 2.Sde7#
- 1...Re7+
- 2.Sc7#
- 2.Sdxe7#
- 1...Rxf7+
- 2.Sc7#
- 1...Kxf5
- 2.Se3#
- 1...Qxd3
- 2.Sc3#
- 1...Sxg3
- 2.Sxf4#
- 1...Sxf6
- 2.Sxf6#
- 1...hxg3
- 2.Sxf4#
- 1...Qc3
- 2.Sxc3#
- 2.Sde3#
- 2.Sxb4#
- 2.Sxf4#
- 2.Sb6#
- 2.Sc7#
- 2.Sde7#
- 1...Bb6
- 2.Sxb6#
- 1...Bc7
- 2.Sc3#
- 2.Sde3#
- 2.Sxb4#
- 2.Sxf4#
- 2.Sb6#
- 2.Sxc7#
- 2.Sde7#
- 1...Be7
- 2.Sdxe7#
- 1...b3
- 2.Sb4#
- threat
- 1.Qb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 8
- REMOVED MATES = 1
- Sets
- R(m);N_GUARD::QAR1(J),XR(m)
- B(l);S_CUTR(m)::QAR1(J)
- Tries
- Try
- S(E);XP(e)
- Threat
- DUALS(3)
- Vars
- Q(b);XP(A)::QAR1(J)
- R(n);P_PINQ(J),XB(K)::S(E)
- S(k);N_SPINS(g),XB(B)::S(E)
- S(k);XP(G)::S(E)
- P(h);N_SPINS(g),XB(B)::S(E)
- R(m);P_PINQ(J)::S(E)
- Refutation
- Q(b);CHECK,XS(E)
- Try
- S(E);
- Threat
- DUALS(6)
- Refutation
- R(m);P_PINQ(J),XS(E)
- Try
- S(F);XP(h)
- Threat
- DUALS(2)
- Vars
- B(c);XR(D)::S(F)
- S(k);N_SPINS(g),XB(B)::S(F)
- P(j);OGATEB,XS(F)::R(H),XS(k)
- P(a);::S(F)
- R(m);N_GUARD::QAR1(J),XR(m)
- R(n);::S(F)
- Refutation
- Q(b);XP(A)
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- Q(b);XP(A)::QAR1(J)
- B(l);XS(F)::QAR1(J)
- S(k);N_SPINS(g),XB(B)::S(F)
- P(h);N_SPINS(g),XB(B)::S(F)
- Refutation
- R(m);P_PINQ(J),XS(F)
- Try
- Actual
- Q(J);
- Threat
- DUALS(7)
- Vars
- R(n);CHECK,XB(K)::QAR(J)+S(E)
- K(i);N_SPINS(g),P-FLIGHT,XS(F)::QAR(J)+S(E),DCHECK
- Q(b);XP(A)::QAR(J)+S(E)
- S(k);N_SPINS(g),XB(B)::QAR(J)+S(E),XS(g)
- S(k);XP(G)::QAR(J)+S(E),XS(k)
- P(h);N_SPINS(g),XB(B)::QAR(J)+S(E),XS(g)
- B(l);::QAR(J)+S(E),XB(l)
- P(e);::QAR(J)+S(E)
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).