MESON Chess Problem Database
Problem Display
PID: 265371 (1NR2Q2/6B1/3p1R2/1p1rP3/1pNkrp2/1K2p3/4P3/8 w - - 0 1)
Rimkus, Mecislovas
Zadachi i Etyudi, 2010
#2
9 + 8
SOLUTION
- SOUND
- Sets
- 1...Rexe5
- 2.Rxf4#
- 1...Rdxe5
- 2.Rxd6#
- 1...dxe5
- 2.Sc6#
- 1...Rexe5
- Tries
- 1.Kxb4?
- threat
- 2.Sc6#
- 1...Rexe5
- 2.Rxf4#
- 1...Rdxe5
- 2.Rxd6#
- 1...Rc5!
- threat
- 1.Rxf4?
- 1...bxc4+
- 2.Rxc4#
- 1...Rxf4
- 2.Qxf4#
- 1...Rxe5
- 2.Qxd6#
- 1...dxe5
- 2.Sc6#
- 1...Rc5!
- 1...bxc4+
- 1.Rxd6?
- 1...bxc4+
- 2.Rxc4#
- 1...Rxe5
- 2.Qxf4#
- 1...Rxd6
- 2.Qxd6#
- 1...f3!
- 1...bxc4+
- 1.Kxb4?
- Keys
- 1.Qxd6!
- threat
- 2.Sc6#
- 1...bxc4+
- 2.Rxc4#
- 1...Rxe5
- 2.Rxf4#
- 1...Rxd6
- 2.Rxd6#
- threat
- 1.Qxd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- R(d);OGATEB,XP(D)::R(E),XP(e)
- R(g);OGATEB,XP(D)::R(E),XP(h)
- P(h);XP(D)::S(G)
- Tries
- Try
- K(B);P-FLIGHT,XP(b)
- Threat
- S(G)
- Vars
- R(d);OGATEB,XP(D)::R(E),XP(e)
- R(g);OGATEB,XP(D)::R(E),XP(h)
- Refutation
- R(g);
- Try
- R(E);P_PINR(d),XP(e)
- Vars
- P(f);CHECK,OGATE,XS(C)::R1(H),XP(f)
- R(d);N_SPINR(d),OGATE,XR(E)::QAR2(I),XR(d)
- R(g);OGATEB,XP(D)::QAR2(I),XP(h)
- P(h);P_SPINP(h),XP(D)::S(G)
- Refutation
- R(g);
- Try
- R(E);P_PINR(g),XP(h)
- Vars
- P(f);CHECK,OGATE,XS(C)::R1(H),XP(f)
- R(d);OGATEB,XP(D)::QAR2(I),XP(e)
- R(g);N_SPINR(g),OGATE,XR(E)::QAR2(I),XR(g)
- Refutation
- P(e);
- Try
- Actual
- Q(I);P_PINR(g),XP(h)
- Threat
- S(G)
- Vars
- P(f);CHECK,OGATE,XS(C)::R1(H),XP(f)
- R(d);OGATEB,XP(D)::R(E),XP(e)
- R(g);N_SPINR(g),OGATE,XQ(I)::R(E),XR(g)
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).