MESON Chess Problem Database
Problem Display
PID: 63143 (6qb/PNQ1p1n1/kPp5/B6p/B4n1r/3b3p/4p2K/R7 w - - 0 1)
Szwedowski, Leopold Mieczyslaw
The Problemist, 2005
#2
8 + 12
SOLUTION
- SOUND
- Sets
- 1...Qa2
- 2.a8Q#
- 2.a8R#
- 1...Qb3
- 2.a8Q#
- 2.a8R#
- 1...Qc4
- 2.a8Q#
- 2.a8R#
- 1...Qd5
- 2.a8Q#
- 2.a8R#
- 1...Qe6
- 2.a8Q#
- 2.a8R#
- 1...Qf7
- 2.a8Q#
- 2.a8R#
- 1...Qh7
- 2.a8Q#
- 2.a8R#
- 1...Qb8
- 2.axb8S#
- 1...Se8
- 2.a8Q#
- 2.a8R#
- 1...Qa2
- Tries
- 1.Bb5+?
- 1...Bxb5
- 2.Sc5#
- 1...cxb5
- 2.Sc5#
- 1...Kxb5!
- 1...Bxb5
- 1.Bc3?
- threat
- 2.Sc5#
- 1...Qc4
- 2.a8Q#
- 2.a8R#
- 1...Qd5
- 2.a8Q#
- 2.a8R#
- 1...Sge6
- 2.Bxc6#
- 1...c5
- 2.Sxc5#
- 1...Sfe6!
- threat
- 1.Bb4?
- threat
- 2.Sc5#
- 1...Sfe6
- 2.Bxc6#
- 1...Qc4
- 2.a8Q#
- 2.a8R#
- 1...Qd5
- 2.a8Q#
- 2.a8R#
- 1...c5
- 2.Sxc5#
- 1...Sge6!
- threat
- 1.Qb8?
- threat
- 2.a8Q#
- 2.a8R#
- 1...e1Q
- 2.a8Q#
- 2.a8R#
- 1...e1S
- 2.a8Q#
- 2.a8R#
- 1...e1B
- 2.a8Q#
- 2.a8R#
- 1...e1R
- 2.a8Q#
- 2.a8R#
- 1...Qa2
- 2.a8Q#
- 2.a8R#
- 1...Qb3
- 2.a8Q#
- 2.a8R#
- 1...Qc4
- 2.a8Q#
- 2.a8R#
- 1...Qd5
- 2.a8Q#
- 2.a8R#
- 1...Qe6
- 2.a8Q#
- 2.a8R#
- 1...Qf7
- 2.a8Q#
- 2.a8R#
- 1...Qh7
- 2.a8Q#
- 2.a8R#
- 1...Qc8
- 2.a8Q#
- 2.a8R#
- 1...Qd8
- 2.a8Q#
- 2.a8R#
- 1...Qe8
- 2.a8Q#
- 2.a8R#
- 1...Qf8
- 2.a8Q#
- 2.a8R#
- 1...Rg4
- 2.a8Q#
- 2.a8R#
- 1...Bb1
- 2.a8Q#
- 2.a8R#
- 1...Bc2
- 2.a8Q#
- 2.a8R#
- 1...Bc4
- 2.a8Q#
- 2.a8R#
- 1...Be4
- 2.a8Q#
- 2.a8R#
- 1...Bb5
- 2.a8Q#
- 2.a8R#
- 1...Bf5
- 2.a8Q#
- 2.a8R#
- 1...Bg6
- 2.a8Q#
- 2.a8R#
- 1...Bh7
- 2.a8Q#
- 2.a8R#
- 1...Sg2
- 2.a8Q#
- 2.a8R#
- 1...Sd5
- 2.a8Q#
- 2.a8R#
- 1...Sfe6
- 2.a8Q#
- 2.a8R#
- 1...Sg6
- 2.a8Q#
- 2.a8R#
- 1...Sf5
- 2.a8Q#
- 2.a8R#
- 1...Sge6
- 2.a8Q#
- 2.a8R#
- 1...Se8
- 2.a8Q#
- 2.a8R#
- 1...c5
- 2.a8Q#
- 2.a8R#
- 1...e5
- 2.a8Q#
- 2.a8R#
- 1...e6
- 2.a8Q#
- 2.a8R#
- 1...Qxb8!
- threat
- 1.Qd8?
- threat
- 2.a8Q#
- 1...Kxb7
- 2.a8Q#
- 1...Qxd8!
- threat
- 1.Qc8?
- threat
- 2.a8Q#
- 2.a8R#
- 1...e1Q
- 2.a8Q#
- 2.a8R#
- 1...e1S
- 2.a8Q#
- 2.a8R#
- 1...e1B
- 2.a8Q#
- 2.a8R#
- 1...e1R
- 2.a8Q#
- 2.a8R#
- 1...Qa2
- 2.a8Q#
- 2.a8R#
- 1...Qb3
- 2.a8Q#
- 2.a8R#
- 1...Qc4
- 2.a8Q#
- 2.a8R#
- 1...Qd5
- 2.a8Q#
- 2.a8R#
- 1...Qe6
- 2.a8Q#
- 2.a8R#
- 1...Qf7
- 2.a8Q#
- 2.a8R#
- 1...Qh7
- 2.a8Q#
- 2.a8R#
- 1...Qd8
- 2.a8Q#
- 2.a8R#
- 1...Qe8
- 2.a8Q#
- 2.a8R#
- 1...Qf8
- 2.a8Q#
- 2.a8R#
- 1...Rg4
- 2.a8Q#
- 2.a8R#
- 1...Bb1
- 2.a8Q#
- 2.a8R#
- 1...Bc2
- 2.a8Q#
- 2.a8R#
- 1...Bc4
- 2.a8Q#
- 2.a8R#
- 1...Be4
- 2.a8Q#
- 2.a8R#
- 1...Bb5
- 2.a8Q#
- 2.a8R#
- 1...Bf5
- 2.a8Q#
- 2.a8R#
- 1...Bg6
- 2.a8Q#
- 2.a8R#
- 1...Bh7
- 2.a8Q#
- 2.a8R#
- 1...Sg2
- 2.a8Q#
- 2.a8R#
- 1...Sd5
- 2.a8Q#
- 2.a8R#
- 1...Sfe6
- 2.a8Q#
- 2.a8R#
- 1...Sg6
- 2.a8Q#
- 2.a8R#
- 1...Sf5
- 2.a8Q#
- 2.a8R#
- 1...Sge6
- 2.a8Q#
- 2.a8R#
- 1...Se8
- 2.a8Q#
- 2.a8R#
- 1...c5
- 2.a8Q#
- 2.a8R#
- 1...e5
- 2.a8Q#
- 2.a8R#
- 1...e6
- 2.a8Q#
- 2.a8R#
- 1...Qxc8!
- threat
- 1.Bb5+?
- Keys
- 1.Bxc6!
- threat
- 2.Sc5#
- 1...Qa2
- 2.a8Q#
- 2.a8R#
- 1...Qc4
- 2.a8Q#
- 2.a8R#
- 1...Qd5
- 2.a8Q#
- 2.a8R#
- 1...Sfe6
- 2.Bb4#
- 1...Sge6
- 2.Bc3#
- threat
- 1.Bxc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- Q(k);N_GUARD::P=Q
- Q(k);OGATE::PXQ(k)=S
- S(j);S_CUTQ(k)::P=Q
- Tries
- Try
- B(C);CHECK
- Vars
- B(b);SBLOCK,XB(C)::S(G)
- P(h);SBLOCK,XB(C)::S(G)
- Refutation
- K(g);S_FLIGHT,XB(C)
- Try
- B(D);
- Threat
- S(G)
- Vars
- Q(k);N_GUARD::P=Q
- S(j);S_CUTQ(k)::R(A)+B(C),XP(h)
- P(h);::S(G),XP(h)
- Refutation
- S(d);
- Try
- B(D);
- Threat
- S(G)
- Vars
- S(d);S_CUTQ(k)::R(A)+B(C),XP(h)
- Q(k);N_GUARD::P=Q
- P(h);::S(G),XP(h)
- Refutation
- S(j);
- Try
- Q(H);
- Threat
- P=Q
- Vars
- P(a);::P=Q
- Q(k);::P=Q
- R(e);::P=Q
- B(b);::P=Q
- S(d);::P=Q
- S(j);::P=Q
- P(h);::P=Q
- P(i);::P=Q
- Refutation
- Q(k);XQ(H)
- Try
- Q(H);
- Threat
- P=Q
- Vars
- K(g);S_FLIGHT,XS(G)::P=Q
- Refutation
- Q(k);XQ(H)
- Try
- Q(H);
- Threat
- P=Q
- Vars
- P(a);::P=Q
- Q(k);::P=Q
- R(e);::P=Q
- B(b);::P=Q
- S(d);::P=Q
- S(j);::P=Q
- P(h);::P=Q
- P(i);::P=Q
- Refutation
- Q(k);XQ(H)
- Try
- Actual
- B(C);XP(h)
- Threat
- S(G)
- Vars
- Q(k);N_GUARD::P=Q
- S(d);S_CUTQ(k)::R(A)+B(D)
- S(j);S_CUTQ(k)::R(A)+B(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).