MESON Chess Problem Database
Problem Display
PID: 16172 (2n5/b7/3p1Q2/r4p2/1n1Bk1p1/2PpN1K1/r7/5B2 w - - 0 1)
Kukin, Gennady
StrateGems, 2000
#2
6 + 10
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Bg2#
- 1...Rg2+
- 2.Bxg2#
- 1...R2a3
- 2.Bg2#
- 1...R2a4
- 2.Bg2#
- 1...R5a3
- 2.Qxf5#
- 2.Qe6#
- 1...R5a4
- 2.Qxf5#
- 2.Qe6#
- 1...Ra6
- 2.Qxf5#
- 2.Qe6#
- 1...Bxd4
- 2.Qxd4#
- 1...Bc5
- 2.Qxf5#
- 2.Qe6#
- 1...Sc2
- 2.Bg2#
- 1...Sd5
- 2.Qxf5#
- 2.Qe6#
- 1...f4+
- 2.Qxf4#
- 1...d5
- 2.Qe5#
- 2.Qxf5#
- 2.Qe6#
- 1...Ra1
- Tries
- 1.Qg5?
- threat
- 2.Qf4#
- 1...Rg2+
- 2.Bxg2#
- 1...f4+
- 2.Qxf4#
- 1...Sd5
- 2.Qxf5#
- 1...Rf2!
- threat
- 1.Qh6?
- threat
- 2.Qf4#
- 1...Rg2+
- 2.Bxg2#
- 1...f4+
- 2.Qxf4#
- 1...Sd5
- 2.Qe6#
- 1...Rf2!
- threat
- 1.Qg5?
- Keys
- 1.Bc5!
- threat
- 2.Qd4#
- 2.Qxf5#
- 2.Qe6#
- 1...Rg2+
- 2.Bxg2#
- 1...f4+
- 2.Qxf4#
- 1...Rxc5
- 2.Qd4#
- 1...Bxc5
- 2.Qe6#
- 1...dxc5
- 2.Qe6#
- 1...Rf2
- 2.Qd4#
- 2.Qe6#
- 1...Sc2
- 2.Bg2#
- 2.Qxf5#
- 2.Qe6#
- 1...Sc6
- 2.Qxf5#
- 1...Se7
- 2.Qd4#
- 2.Qxe7#
- 2.Qe6#
- threat
- 1.Bc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 5
- Sets
- R(a);N_GUARD::B(A)
- R(a);CHECK,N_GUARD::B(A),XR(a)
- B(i);OGATE,XB(E)::QAR1(F),XB(i)
- S(c);S_CUTR(a)::B(A)
- P(g);CHECK,OGATE::QAR1(F),XP(g)
- Tries
- Try
- Q(F);
- Threat
- QAR1(F)
- Vars
- R(a);CHECK,N_GUARD::B(A),XR(a)
- P(g);CHECK::QAR1(F),XP(g)
- S(c);S_CUTR(f)::QAB1(F),XP(g)
- Refutation
- R(a);
- Try
- Q(F);
- Threat
- QAR1(F)
- Vars
- R(a);CHECK,N_GUARD::B(A),XR(a)
- P(g);CHECK::QAR1(F),XP(g)
- S(c);S_CUTR(f)::QAR2(F)
- Refutation
- R(a);
- Try
- Actual
- B(E);
- Threat
- DUALS(3)
- Vars
- R(a);CHECK,N_GUARD::B(A),XR(a)
- P(g);CHECK,OGATE::QAR1(F),XP(g)
- R(f);XB(E)::QAR1(F)
- B(i);XB(E)::QAR2(F)
- P(h);XB(E)::QAR2(F)
- S(c);::QAB1(F),XP(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).