MESON Chess Problem Database
Problem Display
PID: 268855 (1Q6/1N6/2P1PP2/bR2B1Rp/2B1k2r/qpp1PpP1/r4P1n/3Nn1K1 w - - 0 1)
Burda, Josef
Troll, 2022
(First published on Wed Jul 20 2022)
#2
14 + 11
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.Sc5#
- 2.Sd6#
- 1...Qb2
- 2.Sc5#
- 2.Sd6#
- 1...Qc5
- 2.Sxc5#
- 1...Qd6
- 2.Sxd6#
- 1...Qa4
- 2.Sc5#
- 2.Sd6#
- 1...Bb6
- 2.Sxc3#
- 1...Bc7
- 2.Sxc3#
- 1...Bd8
- 2.Sxc3#
- 1...Sd3
- 2.Bd5#
- 1...Qc1
- Tries
- 1.Bxc3?
- threat
- 2.Rbe5#
- 2.Rge5#
- 2.Qe5#
- 1...Bxc3
- 2.Sxc3#
- 1...Qc5
- 2.Sxc5#
- 1...Qd6
- 2.Sxd6#
- 1...Sd3
- 2.Bd5#
- 1...Sg4
- 2.Qf4#
- 1...Bc7!
- threat
- 1.Bf4?
- threat
- 2.Rbe5#
- 2.Rge5#
- 2.Qe5#
- 1...Qc5
- 2.Sxc5#
- 1...Qd6
- 2.Sxd6#
- 1...Bc7
- 2.Sxc3#
- 1...Sd3
- 2.Bd5#
- 1...Sg4!
- threat
- 1.Bd6?
- threat
- 2.Rbe5#
- 2.Rge5#
- 1...Qxd6
- 2.Sxd6#
- 1...Qc5
- 2.Sxc5#
- 1...Sd3
- 2.Bd5#
- 1...Sg4!
- threat
- 1.Bc7?
- threat
- 2.Rbe5#
- 2.Rge5#
- 1...Bxc7
- 2.Sxc3#
- 1...Qc5
- 2.Sxc5#
- 1...Qd6
- 2.Sxd6#
- 1...Sd3
- 2.Bd5#
- 1...Sg4!
- threat
- 1.Rc5?
- threat
- 2.Sd6#
- 1...Qxc5
- 2.Sxc5#
- 1...Bc7
- 2.Sxc3#
- 1...Rd2!
- threat
- 1.Qd6?
- threat
- 2.Qd4#
- 2.Qd5#
- 1...Qxd6
- 2.Sxd6#
- 1...Qc5
- 2.Sxc5#
- 1...Bb6
- 2.Sxc3#
- 2.Qd5#
- 1...Sc2
- 2.Bd3#
- 2.Qd3#
- 2.Qd5#
- 1...Rd2!
- threat
- 1.Qd8?
- threat
- 2.Qd4#
- 2.Qd5#
- 1...Bxd8
- 2.Sxc3#
- 1...Qc5
- 2.Sxc5#
- 1...Qd6
- 2.Sxd6#
- 1...Bb6
- 2.Sxc3#
- 2.Qd5#
- 1...Sc2
- 2.Bd3#
- 2.Qd3#
- 2.Qd5#
- 1...Rd2!
- threat
- 1.Qg8?
- threat
- 2.Qh7#
- 2.Qg6#
- 1...Qe7
- 2.Qg6#
- 1...Rf4!
- threat
- 1.Bxc3?
- Keys
- 1.Bd4!
- threat
- 2.Rbe5#
- 2.Rge5#
- 2.Qe5#
- 1...Qc5
- 2.Sxc5#
- 1...Qd6
- 2.Sxd6#
- 1...Bc7
- 2.Sxc3#
- 1...Sd3
- 2.Bd5#
- 1...Sg4
- 2.Qf4#
- threat
- 1.Bd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- Q(d);N_GUARD::S(M),XQ(d)
- B(j);N_GUARD::S(A),XP(f)
- S(a);SBLOCK::B(F)
- Tries
- Try
- B(H);XP(f)
- Threat
- DUALS(3)
- Vars
- B(j);XB(H)::S(A),XB(j)
- Q(d);N_GUARD::S(M),XQ(d)
- S(a);SBLOCK::B(F)
- S(c);S_CUTR(i)::QAR1(N)
- Refutation
- B(j);
- Try
- B(H);
- Threat
- DUALS(3)
- Vars
- Q(d);N_GUARD::S(M),XQ(d)
- B(j);N_GUARD::S(A),XP(f)
- S(a);SBLOCK::B(F)
- Refutation
- S(c);
- Try
- B(H);
- Threat
- DUALS(2)
- Vars
- Q(d);XB(H)::S(M),XQ(d)
- Q(d);N_GUARD::S(M),XQ(d)
- S(a);SBLOCK::B(F)
- Refutation
- S(c);
- Try
- B(H);
- Threat
- DUALS(2)
- Vars
- B(j);N_GUARD,XB(H)::S(A),XP(f)
- Q(d);N_GUARD::S(M),XQ(d)
- S(a);SBLOCK::B(F)
- Refutation
- S(c);
- Try
- R(G);
- Threat
- S(M)
- Vars
- Q(d);XR(G)::S(M),XQ(d)
- B(j);N_GUARD::S(A),XP(f)
- Refutation
- R(b);
- Try
- Q(N);
- Threat
- DUALS(2)
- Vars
- Q(d);XQ(N)::S(M),XQ(d)
- Q(d);N_GUARD::S(M),XQ(d)
- Refutation
- R(b);
- Try
- Q(N);
- Threat
- DUALS(2)
- Vars
- B(j);N_GUARD,XQ(N)::S(A),XP(f)
- Q(d);N_GUARD::S(M),XQ(d)
- Refutation
- R(b);
- Try
- Q(N);
- Threat
- DUALS(2)
- Vars
- Q(d);::QAB(N)
- Refutation
- R(i);
- Try
- Actual
- B(H);
- Threat
- DUALS(3)
- Vars
- Q(d);N_GUARD::S(M),XQ(d)
- B(j);N_GUARD::S(A),XP(f)
- S(a);SBLOCK::B(F)
- S(c);S_CUTR(i)::QAR1(N)
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).