MESON Chess Problem Database
Problem Display
PID: 274357 (K1BNRb1Q/1Pp1pPn1/3k4/3N2p1/bPPnRp2/1p6/1BP5/3r4 w - - 0 1)
Brugge, Joachim
Troll, 2023
(First published on Wed Jul 5 2023)
#2
13 + 11
SOLUTION
- SOUND
- Sets
- 1...Sxc2
- 2.Be5#
- 1...Se2
- 2.Be5#
- 1...Sb5
- 2.Be5#
- 1...Sdf5
- 2.Be5#
- 1...Sde6
- 2.Be5#
- 1...Sgf5
- 2.Qe5#
- 1...Sh5
- 2.Qe5#
- 1...Sge6
- 2.Qe5#
- 1...Sxe8
- 2.Qe5#
- 1...c5
- 2.b8Q#
- 2.b8B#
- 1...c6
- 2.b8Q#
- 2.b8B#
- 1...e5
- 2.Qxf8#
- 1...e6
- 2.Qxf8#
- 1...Sxc2
- Tries
- 1.Sc3?
- threat
- 2.c5#
- 1...c5
- 2.b8Q#
- 2.b8B#
- 1...c6
- 2.b8Q#
- 2.b8B#
- 1...Sge6
- 2.Qe5#
- 1...Sde6!
- threat
- 1.Se3?
- threat
- 2.c5#
- 1...c5
- 2.b8Q#
- 2.b8B#
- 1...c6
- 2.b8Q#
- 2.b8B#
- 1...Sde6
- 2.Be5#
- 1...Sge6
- 2.Qe5#
- 1...fxe3!
- threat
- 1.Sxf4?
- threat
- 2.c5#
- 1...c5
- 2.b8Q#
- 2.b8B#
- 1...c6
- 2.b8Q#
- 2.b8B#
- 1...Sde6
- 2.Be5#
- 1...Sge6
- 2.Qe5#
- 1...gxf4!
- threat
- 1.Sf6?
- threat
- 2.c5#
- 1...exf6
- 2.Qxf8#
- 1...c5
- 2.b8Q#
- 2.b8B#
- 1...c6
- 2.b8Q#
- 2.b8B#
- 1...Sde6
- 2.Be5#
- 1...Sge6!
- threat
- 1.Sxe7?
- threat
- 2.c5#
- 1...c5
- 2.b8Q#
- 2.b8B#
- 1...c6
- 2.b8Q#
- 2.b8B#
- 1...Sde6
- 2.Be5#
- 1...Sge6
- 2.Qe5#
- 1...Bxe7!
- threat
- 1.Bxd4?
- threat
- 2.Bc5#
- 2.Be5#
- 1...Se6
- 2.Be5#
- 2.Rxe6#
- 2.Qe5#
- 1...c5
- 2.Bxc5#
- 2.Be5#
- 2.bxc5#
- 2.b8Q#
- 2.b8B#
- 1...e5
- 2.Bc5#
- 2.Bxe5#
- 2.Qxf8#
- 1...Rxd4!
- threat
- 1.Qxg7?
- threat
- 2.Qe5#
- 1...Sf3
- 2.Re6#
- 1...Sc6
- 2.Re6#
- 1...e5
- 2.Qxe5#
- 2.Qxf8#
- 1...Bxg7!
- threat
- 1.b8Q?
- threat
- 2.Qxc7#
- 1...Sxe8
- 2.Qe5#
- 1...Sge6
- 2.Qe5#
- 1...Sb5
- 2.Be5#
- 1...Sde6
- 2.Be5#
- 1...Bc6+!
- threat
- 1.b8B?
- threat
- 2.Bxc7#
- 1...Sxe8
- 2.Qe5#
- 1...Sge6
- 2.Qe5#
- 1...Sb5
- 2.Be5#
- 1...Sde6
- 2.Be5#
- 1...Bc6+!
- threat
- 1.Sc3?
- Keys
- 1.Sb6!
- threat
- 2.c5#
- 1...cxb6
- 2.b8Q#
- 2.b8B#
- 1...c5
- 2.b8Q#
- 2.b8B#
- 1...c6
- 2.b8Q#
- 2.b8B#
- 1...Sde6
- 2.Be5#
- 1...Sge6
- 2.Qe5#
- threat
- 1.Sb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 9
- Sets
- S(d);OGATE,XP(B)::B(A)
- S(d);OGATE::B(A)
- S(j);OGATE::QAB1(M)
- S(j);OGATE,XR(L)::QAB1(M)
- P(h);::P=Q
- P(i);OGATEB::QAB(M),XB(k)
- Tries
- Try
- S(F);
- Threat
- P(D)
- Vars
- P(h);::P=Q
- S(j);OGATE::QAB1(M)
- Refutation
- S(d);
- Try
- S(F);
- Threat
- P(D)
- Vars
- P(h);::P=Q
- S(d);OGATE::B(A)
- S(j);OGATE::QAB1(M)
- Refutation
- P(e);XS(F)
- Try
- S(F);XP(e)
- Threat
- P(D)
- Vars
- P(h);::P=Q
- S(d);OGATE::B(A)
- S(j);OGATE::QAB1(M)
- Refutation
- P(f);XS(F)
- Try
- S(F);
- Threat
- P(D)
- Vars
- P(i);OGATEB,XS(F)::QAB(M),XB(k)
- P(h);::P=Q
- S(d);OGATE::B(A)
- Refutation
- S(j);
- Try
- S(F);XP(i)
- Threat
- P(D)
- Vars
- P(h);::P=Q
- S(d);OGATE::B(A)
- S(j);OGATE::QAB1(M)
- Refutation
- B(k);XS(F)
- Try
- B(A);XS(d)
- Threat
- DUALS(2)
- Refutation
- R(a);XB(A)
- Try
- Q(M);XS(j)
- Threat
- QAB1(M)
- Vars
- S(d);N_GUARD::R1(E)
- Refutation
- B(k);XQ(M)
- Try
- P(G);P_PINP(h)
- Threat
- QAB1(G),XP(h)
- Vars
- S(j);OGATE,XR(L)::QAB1(M)
- S(j);OGATE::QAB1(M)
- S(d);OGATE::B(A)
- Refutation
- B(c);CHECK
- Try
- P(G);P_PINP(h)
- Threat
- B(G),XP(h)
- Vars
- S(j);OGATE,XR(L)::QAB1(M)
- S(j);OGATE::QAB1(M)
- S(d);OGATE::B(A)
- Refutation
- B(c);CHECK
- Try
- Actual
- S(F);
- Threat
- P(D)
- Vars
- P(h);XS(F)::P=Q
- P(h);::P=Q
- S(d);OGATE::B(A)
- S(j);OGATE::QAB1(M)
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).