MESON Chess Problem Database
Problem Display
PID: 278095 (8/1NBb3Q/6r1/2RN4/r2k2p1/3P1p2/pPP1nP1b/K7 w - - 0 1)
Armeni, Alberto
Phenix, 2007
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Rg5
- 2.Qe4#
- 1...Ra6
- 2.Qe4#
- 1...Rb6
- 2.Qe4#
- 1...Rc6
- 2.Qe4#
- 1...Rd6
- 2.Qe4#
- 1...Rf6
- 2.Qe4#
- 1...Rh6
- 2.Qe4#
- 1...Rg7
- 2.Qe4#
- 1...Rg8
- 2.Qe4#
- 1...Sc3
- 2.bxc3#
- 1...Rg5
- Tries
- 1.Sc3?
- threat
- 2.Rd5#
- 1...Sxc3
- 2.bxc3#
- 1...Ra5
- 2.Rc4#
- 1...Rg5
- 2.Qe4#
- 1...Rd6
- 2.Qe4#
- 1...Be6
- 2.Sb5#
- 1...Sf4
- 2.Be5#
- 1...Bc6!
- threat
- 1.Se3?
- threat
- 2.Rd5#
- 1...Ra5
- 2.Rc4#
- 1...Rg5
- 2.Qe4#
- 1...Rd6
- 2.Qe4#
- 1...Bc6
- 2.Sf5#
- 1...Sc3
- 2.bxc3#
- 1...Sf4
- 2.Be5#
- 1...Be6!
- threat
- 1.Sb4?
- threat
- 2.Rc4#
- 2.Rd5#
- 1...Bxc7
- 2.Rd5#
- 1...Ra5
- 2.Rc4#
- 1...Rg5
- 2.Rc4#
- 2.Qe4#
- 1...Rc6
- 2.Rd5#
- 2.Qe4#
- 1...Rd6
- 2.Qe4#
- 1...Bd6
- 2.Rd5#
- 1...Bb5
- 2.Rd5#
- 1...Bc6
- 2.Rc4#
- 1...Be6
- 2.Sc6#
- 1...Sc3
- 2.Rc4#
- 2.bxc3#
- 1...Sf4
- 2.Be5#
- 2.Rc4#
- 2.c3#
- 1...Rxb4!
- threat
- 1.Sf4?
- threat
- 2.Be5#
- 2.Rd5#
- 1...Sxf4
- 2.Be5#
- 1...Ra5
- 2.Be5#
- 2.Rc4#
- 1...Rg5
- 2.Qe4#
- 1...Rd6
- 2.Qe4#
- 1...Re6
- 2.Rd5#
- 1...Bc6
- 2.Be5#
- 1...Be6
- 2.Be5#
- 1...Sc3
- 2.Be5#
- 2.bxc3#
- 1...Bxf4!
- threat
- 1.Qxg6?
- threat
- 2.Qe4#
- 1...Sc3
- 2.bxc3#
- 1...Sg3
- 2.Qf6#
- 2.Qg7#
- 2.c3#
- 1...Bf5!
- threat
- 1.Sc3?
- Keys
- 1.Se7!
- threat
- 2.Rd5#
- 1...Bc6
- 2.Sf5#
- 1...Ra5
- 2.Rc4#
- 1...Rg5
- 2.Qe4#
- 1...Rd6
- 2.Qe4#
- 1...Be6
- 2.Sc6#
- 1...Sc3
- 2.bxc3#
- 1...Sf4
- 2.Be5#
- threat
- 1.Se7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 7
- Sets
- R(h);OGATE::QAR1(J)
- S(b);OGATE::P(B),XS(b)
- Tries
- Try
- S(G);
- Threat
- R1(F)
- Vars
- S(b);OGATE,XS(G)::P(B),XS(b)
- R(e);N_GUARD::R1(F)
- R(h);OGATE::QAR1(J)
- B(i);N_GUARD::S(G)
- S(b);S_CUTB(c)::B(I)
- Refutation
- B(i);
- Try
- S(G);
- Threat
- R1(F)
- Vars
- R(e);N_GUARD::R1(F)
- R(h);OGATE::QAR1(J)
- B(i);N_GUARD::S(G)
- S(b);OGATE::P(B),XS(b)
- S(b);S_CUTB(c)::B(I)
- Refutation
- B(i);
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- B(c);XB(I)::R1(F)
- R(e);::R1(F)
- R(h);OGATE::QAR1(J)
- B(c);::R1(F)
- B(i);::R1(F)
- B(i);N_GUARD,S_CUTR(h)::S(G)
- Refutation
- R(e);XS(G)
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- S(b);XS(G)::B(I)
- R(h);OGATE::QAR1(J)
- R(h);::R1(F)
- B(i);::B(I)
- Refutation
- B(c);XS(G)
- Try
- Q(J);XR(h)
- Threat
- QAR1(J)
- Vars
- S(b);OGATE::P(B),XS(b)
- Refutation
- B(i);
- Try
- Actual
- S(G);
- Threat
- R1(F)
- Vars
- B(i);N_GUARD::S(G)
- R(e);N_GUARD::R1(F)
- R(h);OGATE::QAR1(J)
- B(i);N_GUARD,S_CUTR(h)::S(G)
- S(b);OGATE::P(B),XS(b)
- S(b);S_CUTB(c)::B(I)
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).