MESON Chess Problem Database
Problem Display
PID: 259044 (1Q2n3/3pB2K/rp1P1p2/1R1N1R2/2pkpn2/8/2PbP3/3N4 w - - 0 1)
Drese, Gerardus Hendrikus
Probleemblad, 1949
#2
10 + 10
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qxb6#
- 1...Ra2
- 2.Qxb6#
- 1...Ra3
- 2.Qxb6#
- 1...Ra4
- 2.Qxb6#
- 1...Ra5
- 2.Qxb6#
- 1...Ra7
- 2.Qxb6#
- 1...Ra8
- 2.Qxb6#
- 1...Bc1
- 2.c3#
- 1...Be1
- 2.e3#
- 1...Bc3
- 2.e3#
- 1...Be3
- 2.c3#
- 1...Bb4
- 2.e3#
- 1...Ba5
- 2.e3#
- 1...Sxd5
- 2.Rbxd5#
- 2.Rfxd5#
- 1...Sxd6
- 2.Bxf6#
- 1...Sc7
- 2.Bxf6#
- 1...Sg7
- 2.Bxf6#
- 1...Ra1
- Tries
- 1.Sb4?
- 1...Bxb4
- 2.e3#
- 1...Sxe2
- 2.Rbd5#
- 2.Rfd5#
- 1...Sxd6
- 2.Bxf6#
- 1...e3
- 2.Rxf4#
- 1...Bc1
- 2.c3#
- 1...Ra1
- 2.Qxb6#
- 1...Ra2
- 2.Qxb6#
- 1...Ra3
- 2.Qxb6#
- 1...Ra4
- 2.Qxb6#
- 1...Ra5
- 2.Qxb6#
- 1...Ra7
- 2.Qxb6#
- 1...Ra8
- 2.Qxb6#
- 1...Be1
- 2.e3#
- 1...Bc3
- 2.e3#
- 1...Be3
- 2.c3#
- 1...Sg2
- 2.Rbd5#
- 2.Rfd5#
- 1...Sd3
- 2.Rbd5#
- 2.Rfd5#
- 1...Sh3
- 2.Rbd5#
- 2.Rfd5#
- 1...Sd5
- 2.Rbxd5#
- 2.Rfxd5#
- 1...Sh5
- 2.Rbd5#
- 2.Rfd5#
- 1...Se6
- 2.Rbd5#
- 2.Rfd5#
- 1...Sg6
- 2.Rbd5#
- 2.Rfd5#
- 1...Sc7
- 2.Bxf6#
- 1...Sg7
- 2.Bxf6#
- 1...c3!
- 1...Bxb4
- 1.Sxf4?
- threat
- 2.Rbd5#
- 2.Rfd5#
- 1...c3
- 2.Rb4#
- 1...Ra5
- 2.Rfd5#
- 2.Qxb6#
- 1...Sc7
- 2.Bxf6#
- 1...e3!
- threat
- 1.Sb4?
- Keys
- 1.Sc7!
- 1...Sxe2
- 2.Rbd5#
- 2.Rfd5#
- 1...Sxd6
- 2.Bxf6#
- 1...Sxc7
- 2.Bxf6#
- 1...c3
- 2.Rb4#
- 1...e3
- 2.Rxf4#
- 1...Bc1
- 2.c3#
- 1...Ra1
- 2.Qxb6#
- 1...Ra2
- 2.Qxb6#
- 1...Ra3
- 2.Qxb6#
- 1...Ra4
- 2.Qxb6#
- 1...Ra5
- 2.Qxb6#
- 1...Ra7
- 2.Qxb6#
- 1...Ra8
- 2.Qxb6#
- 1...Be1
- 2.e3#
- 1...Bc3
- 2.e3#
- 1...Be3
- 2.c3#
- 1...Bb4
- 2.e3#
- 1...Ba5
- 2.e3#
- 1...Sg2
- 2.Rbd5#
- 2.Rfd5#
- 1...Sd3
- 2.Rbd5#
- 2.Rfd5#
- 1...Sh3
- 2.Rbd5#
- 2.Rfd5#
- 1...Sd5
- 2.Rbxd5#
- 2.Rfxd5#
- 1...Sh5
- 2.Rbd5#
- 2.Rfd5#
- 1...Se6
- 2.Rbd5#
- 2.Rfd5#
- 1...Sg6
- 2.Rbd5#
- 2.Rfd5#
- 1...Sg7
- 2.Bxf6#
- 1...Sxe2
- 1.Sc7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(f);N_GUARD::QAB(J),XP(g)
- B(a);N_GUARD::P(B)
- B(a);N_GUARD::P(C)
- S(j);N_GUARD,XP(G)::B(H),XP(h)
- S(j);N_GUARD::B(H),XP(h)
- Tries
- Try
- S(E);
- Vars
- B(a);N_GUARD,XS(E)::P(C)
- S(j);N_GUARD,XP(G)::B(H),XP(h)
- P(d);OGATEB::R(F),XS(e)
- B(a);N_GUARD::P(B)
- R(f);N_GUARD::QAB(J),XP(g)
- B(a);N_GUARD::P(C)
- S(j);N_GUARD::B(H),XP(h)
- Refutation
- P(b);
- Try
- S(E);XS(e)
- Threat
- DUALS(2)
- Vars
- P(b);OGATEB::R(D)
- S(j);N_GUARD::B(H),XP(h)
- Refutation
- P(d);
- Try
- Actual
- S(E);
- Vars
- S(j);N_GUARD,XP(G)::B(H),XP(h)
- S(j);N_GUARD,XS(E)::B(H),XP(h)
- P(b);OGATEB::R(D)
- P(d);OGATEB::R(F),XS(e)
- B(a);N_GUARD::P(B)
- R(f);N_GUARD::QAB(J),XP(g)
- B(a);N_GUARD::P(C)
- S(j);N_GUARD::B(H),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).