MESON Chess Problem Database
Problem Display
PID: 153814 (K7/pQ2pp1P/3pN2B/1N1B4/P1Pp2P1/1p1k1p1p/rR3Rr1/nb4n1 w - - 0 1)
Rosner, Eugene David
Probleemblad, 2014
#2
12 + 14
SOLUTION
- SOUND
- Sets
- 1...Ra3
- 2.Rbd2#
- 1...Rxa4
- 2.Rbd2#
- 1...Rg3
- 2.Rfd2#
- 1...Rxg4
- 2.Rfd2#
- 1...Sc2
- 2.Rxb3#
- 1...Se2
- 2.Rxf3#
- 1...Ra3
- Tries
- 1.Qc6?
- threat
- 2.Be4#
- 1...Rxg4
- 2.Rfd2#
- 1...f5!
- threat
- 1.Qb6?
- threat
- 2.Qxd4#
- 1...Rxg4
- 2.Rfd2#
- 1...Sc2
- 2.Rxb3#
- 1...Se2
- 2.Rxf3#
- 1...axb6!
- threat
- 1.Qxe7?
- threat
- 2.Sf4#
- 1...Rxg4
- 2.Rfd2#
- 1...Se2
- 2.Rxf3#
- 1...fxe6!
- threat
- 1.h8Q?
- threat
- 2.Qxd4#
- 1...Rxg4
- 2.Rfd2#
- 1...Sc2
- 2.Rxb3#
- 1...Se2
- 2.Rxf3#
- 1...f6!
- threat
- 1.Qc6?
- Keys
- 1.Qxa7!
- threat
- 2.Qxd4#
- 1...Rxa4
- 2.Rbd2#
- 1...Rxg4
- 2.Rfd2#
- 1...Sc2
- 2.Rxb3#
- 1...Se2
- 2.Rxf3#
- threat
- 1.Qxa7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- R(d);N_GUARD::R1(A)
- R(d);N_GUARD,XP(C)::R1(A)
- R(e);N_GUARD::R1(B)
- R(e);N_GUARD,XP(E)::R1(B)
- S(a);N_GUARD::R(A),XP(f)
- S(c);N_GUARD::R(B),XP(h)
- Tries
- Try
- Q(J);
- Threat
- B(G)
- Vars
- R(e);N_GUARD,XP(E)::R1(B)
- Refutation
- P(n);
- Try
- Q(J);
- Threat
- QAR1(J),XP(j)
- Vars
- R(e);N_GUARD,XP(E)::R1(B)
- S(a);N_GUARD::R(A),XP(f)
- S(c);N_GUARD::R(B),XP(h)
- Refutation
- P(l);P_PINP(C),XQ(J)
- Try
- Q(J);XP(m)
- Threat
- S(H)
- Vars
- R(e);N_GUARD,XP(E)::R1(B)
- S(c);N_GUARD::R(B),XP(h)
- Refutation
- P(n);XS(H)
- Try
- P(K);
- Threat
- QAR1(K),XP(j)
- Vars
- R(e);N_GUARD,XP(E)::R1(B)
- S(a);N_GUARD::R(A),XP(f)
- S(c);N_GUARD::R(B),XP(h)
- Refutation
- P(n);
- Try
- Actual
- Q(J);XP(l)
- Threat
- QAR1(J),XP(j)
- Vars
- R(d);N_GUARD,P_PINQ(J),XP(C)::R1(A)
- R(e);N_GUARD,XP(E)::R1(B)
- S(a);N_GUARD::R(A),XP(f)
- S(c);N_GUARD::R(B),XP(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).