MESON Chess Problem Database
Problem Display
PID: 214438 (3krRr1/1Pp2bR1/3n1Pn1/1B2p3/8/3N4/8/3QK3 w - - 0 1)
Blikeng, E-J
diagrammes, 1975
#2
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Ba2
- 2.Rd7#
- 1...Bb3
- 2.Rd7#
- 1...Bc4
- 2.Rd7#
- 1...Bd5
- 2.Rd7#
- 1...Sc4
- 2.b8Q#
- 2.b8R#
- 1...Se4
- 2.b8Q#
- 2.b8R#
- 1...Sf5
- 2.b8Q#
- 2.b8R#
- 1...Ba2
- Tries
- 1.Sb4?
- threat
- 2.b8Q#
- 2.b8R#
- 1...Rexf8
- 2.b8Q#
- 2.b8R#
- 1...Rxg7
- 2.b8Q#
- 2.b8R#
- 1...Rgxf8
- 2.b8Q#
- 2.b8R#
- 1...Sxf8
- 2.b8Q#
- 2.b8R#
- 1...c6
- 2.Qxd6#
- 1...Be6
- 2.Sc6#
- 1...Rh8
- 2.b8Q#
- 2.b8R#
- 1...Ba2
- 2.Sc6#
- 2.Rd7#
- 2.b8Q#
- 2.b8R#
- 1...Bb3
- 2.Sc6#
- 2.Rd7#
- 2.b8Q#
- 2.b8R#
- 1...Bc4
- 2.Sc6#
- 2.Rd7#
- 2.b8Q#
- 2.b8R#
- 1...Bd5
- 2.Rd7#
- 1...Sf4
- 2.b8Q#
- 2.b8R#
- 1...Sh4
- 2.b8Q#
- 2.b8R#
- 1...Sh8
- 2.b8Q#
- 2.b8R#
- 1...e4
- 2.b8Q#
- 2.b8R#
- 1...Se7!
- threat
- 1.Sc5?
- threat
- 2.b8Q#
- 2.b8R#
- 1...Rexf8
- 2.b8Q#
- 2.b8R#
- 1...Rxg7
- 2.b8Q#
- 2.b8R#
- 1...Rgxf8
- 2.b8Q#
- 2.b8R#
- 1...Sxf8
- 2.b8Q#
- 2.b8R#
- 1...Rh8
- 2.b8Q#
- 2.b8R#
- 1...Ba2
- 2.Rd7#
- 2.b8Q#
- 2.b8R#
- 1...Bb3
- 2.Rd7#
- 2.b8Q#
- 2.b8R#
- 1...Bc4
- 2.Rd7#
- 2.b8Q#
- 2.b8R#
- 1...Bd5
- 2.Rd7#
- 1...Be6
- 2.Sxe6#
- 1...Sf4
- 2.b8Q#
- 2.b8R#
- 1...Sh4
- 2.b8Q#
- 2.b8R#
- 1...Sh8
- 2.b8Q#
- 2.b8R#
- 1...e4
- 2.b8Q#
- 2.b8R#
- 1...Se7!
- threat
- 1.Sb4?
- Keys
- 1.Sxe5!
- threat
- 2.b8Q#
- 2.b8R#
- 1...Rexf8
- 2.b8Q#
- 2.b8R#
- 1...Rxg7
- 2.b8Q#
- 2.b8R#
- 1...Rgxf8
- 2.b8Q#
- 2.b8R#
- 1...Sxe5
- 2.b8Q#
- 2.b8R#
- 1...Sxf8
- 2.b8Q#
- 2.b8R#
- 1...Se7
- 2.Sxf7#
- 1...Rh8
- 2.b8Q#
- 2.b8R#
- 1...Ba2
- 2.Rd7#
- 2.b8Q#
- 2.b8R#
- 1...Bb3
- 2.Rd7#
- 2.b8Q#
- 2.b8R#
- 1...Bc4
- 2.Rd7#
- 2.b8Q#
- 2.b8R#
- 1...Bd5
- 2.Rd7#
- 1...Be6
- 2.Sc6#
- 1...Sf4
- 2.b8Q#
- 2.b8R#
- 1...Sh4
- 2.b8Q#
- 2.b8R#
- 1...Sh8
- 2.b8Q#
- 2.b8R#
- threat
- 1.Sxe5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- B(e);OGATE::R1(G)
- S(b);N_GUARD::P=Q
- Tries
- Try
- S(C);P_PINS(b)
- Threat
- P=Q
- Vars
- R(g);N_SPINR(g),XR(H)::P=Q
- R(h);XR(G)::P=Q
- R(h);N_SPINR(g),XR(H)::P=Q
- S(c);N_SPINR(g),XR(H)::P=Q
- P(d);N_GUARD::QAR2(A),XS(b)
- B(e);::S(C)
- R(h);::P=Q
- B(e);N_SPINS(b),OGATE::R1(G)
- S(c);::P=Q
- P(a);::P=Q
- Refutation
- S(c);
- Try
- S(C);P_PINS(b)
- Threat
- P=Q
- Vars
- R(g);N_SPINR(g),XR(H)::P=Q
- R(h);XR(G)::P=Q
- R(h);N_SPINR(g),XR(H)::P=Q
- S(c);N_SPINR(g),XR(H)::P=Q
- R(h);::P=Q
- B(e);N_SPINS(b),OGATE::R1(G)
- B(e);N_GUARD::S(C),XB(e)
- S(c);::P=Q
- P(a);::P=Q
- Refutation
- S(c);
- Try
- Actual
- S(C);P_PINS(b),P_SPINS(C),XP(a)
- Threat
- P=Q
- Vars
- R(g);N_PINS(C),N_SPINR(g),XR(H)::P=Q
- R(h);XR(G)::P=Q
- R(h);N_SPINR(g),XR(H)::P=Q
- S(c);XS(C)::P=Q
- S(c);N_SPINR(g),XR(H)::P=Q
- S(c);N_PINS(C)::S(C),XB(e)
- R(h);::P=Q
- B(e);N_SPINS(b),OGATE::R1(G)
- B(e);N_PINS(C)::S(C)
- S(c);::P=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).