MESON Chess Problem Database
Problem Display
PID: 195818 (2N5/B1p3K1/2R1p1pp/1P1k2b1/2p2PN1/2r4B/4P3/1Q2n2b w - - 0 1)
Barclay, Edward
StrateGems, 2018
#2
10 + 10
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Se3#
- 1...Re3
- 2.Sxe3#
- 1...Rf3
- 2.e4#
- 1...Bxf4
- 2.Se7#
- 1...Bf6+
- 2.Sxf6#
- 1...Be7
- 2.Sxe7#
- 1...Sg2
- 2.e4#
- 1...Sd3
- 2.Qxh1#
- 1...Sf3
- 2.e4#
- 1...Rc1
- Tries
- 1.Bg2+?
- 1...Rf3
- 2.Se3#
- 2.e4#
- 1...Sxg2
- 2.e4#
- 1...Sf3
- 2.e4#
- 1...Bxg2!
- 1...Rf3
- 1.Qxg6?
- threat
- 2.Qxe6#
- 1...Bf6+
- 2.Sxf6#
- 1...Re3
- 2.Sxe3#
- 1...e5!
- threat
- 1.Bg2+?
- Keys
- 1.Rxe6!
- threat
- 2.Re5#
- 1...Bf6+
- 2.Sxf6#
- 1...Kxe6
- 2.Se3#
- 1...Bxf4
- 2.Sf6#
- 1...c5
- 2.Rd6#
- 1...Re3
- 2.Sxe3#
- 1...Sd3
- 2.Se3#
- 1...Sf3
- 2.Qe4#
- threat
- 1.Rxe6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- R(c);N_GUARD::S(E)
- R(c);N_GUARD::S(E),XR(c)
- R(c);S_CUTB(b)::P(B)
- B(f);N_GUARD,XP(D)::S(J)
- B(f);CHECK,N_GUARD::S(E),XB(f)
- B(f);N_GUARD::S(J),XB(f)
- S(a);S_CUTB(b)::P(B)
- S(a);OGATE::QAB(A),XB(b)
- Tries
- Try
- B(C);CHECK
- Vars
- S(a);XB(C)::P(B)
- S(a);P_SPINS(a)::P(B)
- Refutation
- B(b);XB(C)
- Try
- Q(A);XP(h)
- Threat
- QAB1(A),XP(g)
- Vars
- B(f);CHECK,N_GUARD::S(E),XB(f)
- R(c);N_GUARD::S(E),XR(c)
- Refutation
- P(g);
- Try
- Actual
- R(G);XP(g)
- Threat
- R1(G)
- Vars
- B(f);CHECK,N_GUARD::S(E),XB(f)
- K(e);S_FLIGHT,XR(G)::B(C)+S(E)
- B(f);N_GUARD,XP(D)::S(E)
- P(j);N_GUARD::R1(G)
- R(c);N_GUARD::S(E),XR(c)
- S(a);S_CUTR(c)::S(E)
- S(a);S_CUTB(b)::QAB1(A)
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).