MESON Chess Problem Database
Problem Display
PID: 46406 (n1r3bK/RPkBP1N1/1N6/8/8/4n3/8/1R4b1 w - - 0 1)
Morse, Christopher Jeremy
StrateGems, 2003
#2
8 + 6
| 5454 | Near Snap | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Kb8
- 2.bxa8Q#
- 2.bxa8R#
- 1...Kb8
- Tries
- 1.Sxc8?
- threat
- 2.bxa8Q#
- 2.bxa8S#
- 2.bxa8B#
- 2.bxa8R#
- 2.b8Q#
- 2.b8S#
- 2.b8B#
- 2.b8R#
- 1...Kxd7
- 2.bxa8Q#
- 1...Kb8
- 2.bxa8Q#
- 2.bxa8R#
- 1...Bf2
- 2.bxa8Q#
- 2.bxa8S#
- 2.bxa8B#
- 2.bxa8R#
- 2.b8Q#
- 2.b8S#
- 2.b8B#
- 2.b8R#
- 1...Bh2
- 2.bxa8Q#
- 2.bxa8S#
- 2.bxa8B#
- 2.bxa8R#
- 2.b8Q#
- 2.b8S#
- 2.b8B#
- 2.b8R#
- 1...Ba2
- 2.bxa8Q#
- 2.bxa8S#
- 2.bxa8B#
- 2.bxa8R#
- 2.b8Q#
- 2.b8S#
- 2.b8B#
- 2.b8R#
- 1...Bc4
- 2.bxa8Q#
- 2.bxa8S#
- 2.bxa8B#
- 2.bxa8R#
- 2.b8Q#
- 2.b8S#
- 2.b8B#
- 2.b8R#
- 1...Bd5
- 2.bxa8S#
- 2.b8Q#
- 2.b8B#
- 1...Be6
- 2.bxa8Q#
- 2.bxa8S#
- 2.bxa8B#
- 2.bxa8R#
- 2.b8Q#
- 2.b8S#
- 2.b8B#
- 2.b8R#
- 1...Bf7
- 2.bxa8Q#
- 2.bxa8S#
- 2.bxa8B#
- 2.bxa8R#
- 2.b8Q#
- 2.b8S#
- 2.b8B#
- 2.b8R#
- 1...Bh7
- 2.bxa8Q#
- 2.bxa8S#
- 2.bxa8B#
- 2.bxa8R#
- 2.b8Q#
- 2.b8S#
- 2.b8B#
- 2.b8R#
- 1...Sd1
- 2.bxa8S#
- 2.b8Q#
- 2.b8B#
- 1...Sf1
- 2.bxa8S#
- 2.b8Q#
- 2.b8B#
- 1...Sc2
- 2.bxa8S#
- 2.b8Q#
- 2.b8B#
- 1...Sg2
- 2.bxa8S#
- 2.b8Q#
- 2.b8B#
- 1...Sc4
- 2.bxa8S#
- 2.b8Q#
- 2.b8B#
- 1...Sg4
- 2.bxa8S#
- 2.b8Q#
- 2.b8B#
- 1...Sd5
- 2.bxa8S#
- 2.b8Q#
- 2.b8B#
- 1...Sf5
- 2.bxa8S#
- 2.b8Q#
- 2.b8B#
- 1...Sb6!
- threat
- 1.Se8+?
- 1...Kb8
- 2.bxa8Q#
- 2.bxa8R#
- 1...Rxe8!
- 1...Kb8
- 1.bxa8B+?
- 1...Kb8
- 2.Rb7#
- 1...Kd6!
- 1...Kb8
- 1.bxc8B+?
- 1...Kb8
- 2.Rb7#
- 1...Kd6!
- 1...Kb8
- 1.Sxc8?
- Keys
- 1.Sc4!
- threat
- 2.bxa8Q#
- 2.bxa8S#
- 2.bxa8B#
- 2.bxa8R#
- 2.bxc8Q#
- 2.bxc8S#
- 2.bxc8B#
- 2.bxc8R#
- 2.b8Q#
- 2.b8S#
- 2.b8B#
- 2.b8R#
- 1...Bxc4+
- 2.bxc8S#
- 1...Bd5+
- 2.bxc8Q#
- 2.bxc8R#
- 1...Be6+
- 2.bxc8Q#
- 2.bxc8S#
- 2.bxc8B#
- 2.bxc8R#
- 1...Bf7+
- 2.bxc8Q#
- 2.bxc8S#
- 2.bxc8B#
- 2.bxc8R#
- 1...Bh7+
- 2.bxc8Q#
- 2.bxc8S#
- 2.bxc8B#
- 2.bxc8R#
- 1...Kxd7
- 2.b8S#
- 1...Kb8
- 2.bxa8Q#
- 2.bxa8R#
- 1...Sxc4
- 2.b8Q#
- 2.b8B#
- 1...Rb8
- 2.bxa8S#
- 1...Rd8
- 2.bxa8Q#
- 2.bxa8S#
- 2.bxa8B#
- 2.bxa8R#
- 2.b8Q#
- 2.b8S#
- 2.b8B#
- 2.b8R#
- 1...Re8
- 2.bxa8Q#
- 2.bxa8S#
- 2.bxa8B#
- 2.bxa8R#
- 2.b8Q#
- 2.b8S#
- 2.b8B#
- 2.b8R#
- 1...Rf8
- 2.bxa8Q#
- 2.bxa8S#
- 2.bxa8B#
- 2.bxa8R#
- 2.b8Q#
- 2.b8S#
- 2.b8B#
- 2.b8R#
- 1...Bf2
- 2.bxa8Q#
- 2.bxa8S#
- 2.bxa8B#
- 2.bxa8R#
- 2.bxc8Q#
- 2.bxc8S#
- 2.bxc8B#
- 2.bxc8R#
- 2.b8Q#
- 2.b8S#
- 2.b8B#
- 2.b8R#
- 1...Bh2
- 2.bxa8Q#
- 2.bxa8S#
- 2.bxa8B#
- 2.bxa8R#
- 2.bxc8Q#
- 2.bxc8S#
- 2.bxc8B#
- 2.bxc8R#
- 2.b8Q#
- 2.b8S#
- 2.b8B#
- 2.b8R#
- 1...Sd1
- 2.bxa8S#
- 2.bxc8Q#
- 2.bxc8R#
- 2.b8Q#
- 2.b8B#
- 1...Sf1
- 2.bxa8S#
- 2.bxc8Q#
- 2.bxc8R#
- 2.b8Q#
- 2.b8B#
- 1...Sc2
- 2.bxa8S#
- 2.bxc8Q#
- 2.bxc8R#
- 2.b8Q#
- 2.b8B#
- 1...Sg2
- 2.bxa8S#
- 2.bxc8Q#
- 2.bxc8R#
- 2.b8Q#
- 2.b8B#
- 1...Sg4
- 2.bxa8S#
- 2.bxc8Q#
- 2.bxc8R#
- 2.b8Q#
- 2.b8B#
- 1...Sd5
- 2.bxa8S#
- 2.bxc8Q#
- 2.bxc8R#
- 2.b8Q#
- 2.b8B#
- 1...Sf5
- 2.bxa8S#
- 2.bxc8Q#
- 2.bxc8R#
- 2.b8Q#
- 2.b8B#
- 1...Sb6
- 2.bxc8Q#
- 2.bxc8R#
- threat
- 1.Sc4!
Anticipated by 28910(1937)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- K(c);S_FLIGHT::PXS(d)=Q
- Tries
- Try
- S(B);XR(e)
- Threat
- DUALS(8)
- Vars
- K(c);P-FLIGHT,XB(E)::PXS(d)=Q
- K(c);S_FLIGHT::PXS(d)=Q
- Refutation
- S(d);
- Try
- S(G);CHECK
- Vars
- K(c);S_FLIGHT::PXS(d)=Q
- Refutation
- R(e);XS(G)
- Try
- P(D);CHECK,XS(d)
- Vars
- K(c);S_FLIGHT::R1(C)
- Refutation
- K(c);S_FLIGHT
- Try
- P(D);CHECK,XR(e)
- Vars
- K(c);S_FLIGHT::R1(C)
- Refutation
- K(c);S_FLIGHT
- Try
- Actual
- S(B);
- Threat
- DUALS(12)
- Vars
- B(f);CHECK,XS(B)::PXR(e)=S
- B(f);CHECK::PXR(e)=Q
- K(c);P-FLIGHT,XB(E)::P=S
- K(c);S_FLIGHT::PXS(d)=Q
- S(b);XS(B)::P=Q
- R(e);::PXS(d)=S
- S(d);::PXR(e)=Q
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).