MESON Chess Problem Database
Problem Display
PID: 199313 (1B6/3N2QK/r5pp/1Np1P2r/1pP1kn2/5R2/4PPP1/8 w - - 0 1)
Hjelle, David
Springaren, 1953
#2
11 + 8
SOLUTION
- SOUND
- Sets
- 1...Rxe5
- 2.Qxe5#
- 1...Rf5
- 2.Sxc5#
- 2.Re3#
- 1...Sxe2
- 2.Sxc5#
- 1...Sxg2
- 2.Sxc5#
- 1...Sd3
- 2.exd3#
- 1...Sh3
- 2.Sxc5#
- 1...Sd5
- 2.Sxc5#
- 1...Se6
- 2.Sf6#
- 1...Rxe5
- Tries
- 1.Qf6?
- threat
- 2.Sxc5#
- 2.Re3#
- 2.Rxf4#
- 2.Qxf4#
- 1...Rxe5
- 2.Re3#
- 2.Rxf4#
- 2.Qxe5#
- 2.Qxf4#
- 1...Sxe2
- 2.Sxc5#
- 2.Re3#
- 1...Sxg2
- 2.Sxc5#
- 1...Rh3
- 2.Sxc5#
- 2.Rxf4#
- 2.Qxf4#
- 1...Rh4
- 2.Sxc5#
- 2.Re3#
- 1...Rf5
- 2.Sxc5#
- 2.Re3#
- 1...Ra3
- 2.Sxc5#
- 2.Rxf4#
- 2.Qxf4#
- 1...Rc6
- 2.Re3#
- 2.Rxf4#
- 2.Qxf4#
- 1...Ra7
- 2.Re3#
- 2.Rxf4#
- 2.Qxf4#
- 1...Sd3
- 2.Re3#
- 2.exd3#
- 1...Sh3
- 2.Sxc5#
- 2.Re3#
- 1...Sd5
- 2.Sxc5#
- 1...Se6
- 2.Re3#
- 1...g5
- 2.Sxc5#
- 2.Re3#
- 1...Rxf6!
- threat
- 1.Qf8?
- threat
- 2.Sxc5#
- 2.Re3#
- 2.Rxf4#
- 2.Qxf4#
- 1...Rxe5
- 2.Re3#
- 2.Rxf4#
- 2.Qxf4#
- 1...Sxe2
- 2.Sxc5#
- 2.Re3#
- 1...Sxg2
- 2.Sxc5#
- 1...Rh3
- 2.Sxc5#
- 2.Rxf4#
- 2.Qxf4#
- 1...Rh4
- 2.Sxc5#
- 2.Re3#
- 1...Rf5
- 2.Sxc5#
- 2.Re3#
- 1...Ra3
- 2.Sxc5#
- 2.Rxf4#
- 2.Qxf4#
- 1...Rc6
- 2.Re3#
- 2.Rxf4#
- 2.Qxf4#
- 1...Rd6
- 2.Re3#
- 2.Rxf4#
- 2.Qxf4#
- 1...Ra7
- 2.Re3#
- 2.Rxf4#
- 2.Qxf4#
- 1...Sd3
- 2.Re3#
- 2.exd3#
- 1...Sh3
- 2.Sxc5#
- 2.Re3#
- 1...Sd5
- 2.Sxc5#
- 1...Se6
- 2.Sf6#
- 2.Re3#
- 1...g5
- 2.Sxc5#
- 2.Re3#
- 1...Rf6!
- threat
- 1.Qxg6+?
- 1...Rf5
- 2.Sxc5#
- 2.Re3#
- 1...Sxg6
- 2.Sxc5#
- 1...Rxg6!
- 1...Rf5
- 1.Qf7?
- threat
- 2.Sxc5#
- 2.Re3#
- 2.Rxf4#
- 2.Qxf4#
- 1...Rxe5
- 2.Re3#
- 2.Rxf4#
- 2.Qxf4#
- 1...Sxe2
- 2.Sxc5#
- 2.Re3#
- 2.Qd5#
- 1...Sxg2
- 2.Sxc5#
- 2.Qd5#
- 1...Rh3
- 2.Sxc5#
- 2.Rxf4#
- 2.Qxf4#
- 1...Rh4
- 2.Sxc5#
- 2.Re3#
- 1...Rf5
- 2.Sxc5#
- 2.Re3#
- 1...Ra3
- 2.Sxc5#
- 2.Rxf4#
- 2.Qxf4#
- 1...Rc6
- 2.Re3#
- 2.Rxf4#
- 2.Qxf4#
- 1...Rd6
- 2.Re3#
- 2.Rxf4#
- 2.Qxf4#
- 1...Sd3
- 2.Re3#
- 2.Qd5#
- 2.exd3#
- 1...Sh3
- 2.Sxc5#
- 2.Re3#
- 2.Qd5#
- 1...Sd5
- 2.Sxc5#
- 2.Qxd5#
- 1...Se6
- 2.Sf6#
- 2.Re3#
- 1...g5
- 2.Sxc5#
- 2.Re3#
- 1...Rf6!
- threat
- 1.Qf6?
- Keys
- 1.e6!
- threat
- 2.Rxf4#
- 1...Kf5
- 2.Qxg6#
- 1...Sxe2
- 2.Sf6#
- 1...Sxg2
- 2.Sf6#
- 1...Sxe6
- 2.Sf6#
- 1...Rh4
- 2.Qe5#
- 1...Re5
- 2.Qxe5#
- 1...Rf5
- 2.Re3#
- 1...Rd6
- 2.Sxd6#
- 1...Sd3
- 2.Sf6#
- 2.exd3#
- 1...Sh3
- 2.Sf6#
- 1...Sd5
- 2.Sxc5#
- 1...g5
- 2.Qe5#
- threat
- 1.e6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 5
- REMOVED MATES = 1
- Sets
- R(e);OGATE,XP(G)::QAR1(I),XR(e)
- S(c);XP(A)::S(H),XP(d)
- S(c);XP(C)::S(H),XP(d)
- S(c);OGATE::P(A),XS(c)
- S(c);::S(H),XP(d)
- S(c);S_CUTR(f)::S(H)
- Tries
- Try
- Q(I);
- Threat
- DUALS(4)
- Vars
- S(c);XP(C)::S(H),XP(d)
- S(c);::S(H),XP(d)
- S(c);::R1(D)
- Refutation
- R(f);XQ(I)
- Try
- Q(I);
- Threat
- DUALS(4)
- Vars
- S(c);XP(C)::S(H),XP(d)
- S(c);::S(H),XP(d)
- Refutation
- R(f);
- Try
- Q(I);CHECK,XP(g)
- Vars
- S(c);XQ(I)::S(H),XP(d)
- Refutation
- R(f);XQ(I)
- Try
- Q(I);
- Threat
- DUALS(4)
- Refutation
- R(f);
- Try
- Actual
- P(G);
- Threat
- R1(D),XS(c)
- Vars
- K(b);P_SPINS(c),S_FLIGHT::QAB1(I),XP(g)
- S(c);XP(A)::S(H)
- S(c);XP(C)::S(H)
- S(c);XP(G)::S(H)
- R(e);N_GUARD::QAR1(I)
- R(e);N_GUARD::QAR1(I),XR(e)
- R(e);SBLOCK::R1(D)
- R(f);N_GUARD::S(F),XR(f)
- S(c);::S(H)
- S(c);S_CUTR(e)::S(H),XP(d)
- P(g);S_CUTR(e)::QAR1(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).