MESON Chess Problem Database
Problem Display
PID: 209117 (B1n3b1/3NQn2/p7/1rp1p2K/4PP2/3k2p1/2R5/N5B1 w - - 0 1)
Barnes, Barry Peter
Sachova skladba, 2015
#2
9 + 9
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Sxc5#
- 1...Rb2
- 2.Sxc5#
- 1...Rb3
- 2.Sxc5#
- 1...Rb4
- 2.Sxc5#
- 1...Rb6
- 2.Sxc5#
- 1...Rb7
- 2.Sxc5#
- 1...Rb8
- 2.Sxc5#
- 1...Sg5
- 2.Sxe5#
- 1...Sfd6
- 2.Sxe5#
- 1...Sh6
- 2.Sxe5#
- 1...Sd8
- 2.Sxe5#
- 1...Sh8
- 2.Sxe5#
- 1...Rb1
- Tries
- 1.Qh4?
- threat
- 2.Qxg3#
- 1...Rb7
- 2.Sxc5#
- 1...Sg5
- 2.Sxe5#
- 1...g2
- 2.Qg3#
- 2.Qh3#
- 1...exf4!
- threat
- 1.Qxc5?
- threat
- 2.Qe3#
- 2.Qc3#
- 2.Qc4#
- 1...Rxc5
- 2.Sxc5#
- 1...Rb7
- 2.Qe3#
- 2.Qc4#
- 2.Qd5#
- 1...Rb3
- 2.Qe3#
- 2.Qc4#
- 2.Qd5#
- 1...Rb4
- 2.Qe3#
- 2.Qc3#
- 1...Sg5
- 2.Sxe5#
- 2.Qe3#
- 2.Qc3#
- 1...Sfd6
- 2.Sxe5#
- 2.Qe3#
- 2.Qc3#
- 1...Sh6
- 2.Sxe5#
- 2.Qe3#
- 2.Qc3#
- 1...Sd8
- 2.Sxe5#
- 2.Qe3#
- 2.Qc3#
- 1...Sh8
- 2.Sxe5#
- 2.Qe3#
- 2.Qc3#
- 1...Sb6
- 2.Qe3#
- 2.Qc3#
- 1...Scd6
- 2.Qe3#
- 2.Qc3#
- 1...exf4!
- threat
- 1.Qd6+?
- 1...Sfxd6
- 2.Sxe5#
- 1...Scxd6!
- 1...Sfxd6
- 1.Qd8?
- threat
- 2.Sxc5#
- 2.Sxe5#
- 1...Sxd8
- 2.Sxe5#
- 1...exf4
- 2.Sxc5#
- 2.Se5#
- 1...Rb7
- 2.Sxc5#
- 1...Sfd6
- 2.Sxe5#
- 1...c4
- 2.Sc5#
- 2.Sxe5#
- 1...Scd6!
- threat
- 1.Qxe5?
- threat
- 2.Qc3#
- 2.Qd5#
- 1...Sxe5
- 2.Sxe5#
- 1...Rb3
- 2.Sxc5#
- 2.Qd5#
- 1...Rb4
- 2.Sxc5#
- 2.Qc3#
- 1...Rb7
- 2.Sxc5#
- 2.Qd5#
- 1...Sg5
- 2.Qc3#
- 1...Sfd6
- 2.Qc3#
- 1...Sh6
- 2.Qc3#
- 1...Sd8
- 2.Qc3#
- 1...Sh8
- 2.Qc3#
- 1...Sb6
- 2.Qc3#
- 1...Se7
- 2.Qc3#
- 1...c4!
- threat
- 1.Qe6?
- threat
- 2.Qc4#
- 2.Qd5#
- 1...Rb4
- 2.Sxc5#
- 1...Sg5
- 2.Sxe5#
- 1...Sfd6
- 2.Sxe5#
- 1...Sh6
- 2.Sxe5#
- 1...Sd8
- 2.Sxe5#
- 1...Sh8
- 2.Sxe5#
- 1...Scd6
- 2.Qd5#
- 1...Se7
- 2.Qc4#
- 1...c4
- 2.Qxc4#
- 1...Sb6!
- threat
- 1.Qh4?
- Keys
- 1.Qg5!
- threat
- 2.Qxg3#
- 1...Sxg5
- 2.Sxe5#
- 1...exf4
- 2.Qd5#
- 1...Rb7
- 2.Sxc5#
- 1...g2
- 2.Qg3#
- threat
- 1.Qg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 10
- Sets
- R(c);N_GUARD::S(G),XP(d)
- S(g);N_GUARD::S(G),XP(e)
- Tries
- Try
- Q(H);
- Threat
- QAR(H),XP(b)
- Vars
- R(c);N_GUARD::S(G),XP(d)
- S(g);N_GUARD::S(G),XP(e)
- Refutation
- P(e);XP(E)
- Try
- Q(H);XP(d)
- Threat
- DUALS(3)
- Vars
- R(c);XQ(H)::S(G),XR(c)
- Refutation
- P(e);P_PINQ(H),XP(E)
- Try
- Q(H);CHECK
- Vars
- S(g);XQ(H)::S(G),XP(e)
- Refutation
- S(h);XQ(H)
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- S(g);XQ(H)::S(G),XP(e)
- R(c);::QAR(H)+S(G),DCHECK,XP(d)
- S(g);::S(G),XP(e)
- Refutation
- S(h);
- Try
- Q(H);XP(e)
- Threat
- DUALS(2)
- Vars
- S(g);XQ(H)::S(G),XS(g)
- S(g);::QAR1(H)
- S(h);::QAR1(H)
- Refutation
- P(d);P_PINQ(H)
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- R(c);N_GUARD::S(G),XP(d)
- S(g);N_GUARD::S(G),XP(e)
- S(h);::QAR2(H)
- S(h);::QAB1(H)
- P(d);::QAB1(H),XP(d)
- Refutation
- S(h);
- Try
- Actual
- Q(H);
- Threat
- QAR(H),XP(b)
- Vars
- S(g);N_GUARD,XQ(H)::S(G),XP(e)
- P(e);OGATE,XP(E)::QAR2(H)
- R(c);N_GUARD::S(G),XP(d)
- P(b);::QAR(H)
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).