MESON Chess Problem Database
Problem Display
PID: 67671 (1N1R4/4p3/2P1p1Kb/1pP1k3/2pn3R/5Pn1/B2r1q1N/B1Q5 w - - 0 1)
Jordan, Gunter
Troll, 2002
#2
11 + 10
SOLUTION
- SOUND
- Sets
- 1...Qxf3
- 2.Sxf3#
- 1...Rd1
- 2.Sg4#
- 1...Rxa2
- 2.Sg4#
- 1...Rb2
- 2.Sg4#
- 1...Rc2
- 2.Sg4#
- 1...Re2
- 2.Sg4#
- 1...Rd3
- 2.Sg4#
- 1...Bf4
- 2.Sg4#
- 1...Sf1
- 2.Re4#
- 1...Sh1
- 2.Re4#
- 1...Se2
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Sf5
- 2.Re4#
- 1...Sh5
- 2.Re4#
- 1...c3
- 2.Sd7#
- 1...Qxf3
- Tries
- 1.Rhxd4?
- threat
- 2.Sg4#
- 2.Sd7#
- 2.Re4#
- 1...Qxh2
- 2.Sd7#
- 2.Re4#
- 1...Qxf3
- 2.Sxf3#
- 2.Sd7#
- 1...Rxd4
- 2.Sg4#
- 1...Se4
- 2.Rxe4#
- 1...Rb2
- 2.Sg4#
- 1...c3
- 2.Sg4#
- 1...Qxd4!
- threat
- 1.Qxc4?
- threat
- 2.Sd7#
- 2.Qxe6#
- 1...Rxa2
- 2.Sd7#
- 1...Rb2
- 2.Sd7#
- 1...bxc4!
- threat
- 1.Rhxd4?
- Keys
- 1.c7!
- threat
- 2.Sc6#
- 1...Qxf3
- 2.Sxf3#
- 1...Rb2
- 2.Sg4#
- 1...c3
- 2.Sd7#
- threat
- 1.c7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 12
- Sets
- Q(b);XP(E)::S(D),XQ(b)
- R(a);::S(D)
- R(a);XB(C)::S(D)
- R(a);N_SPINS(e)::S(D)
- B(i);SBLOCK::S(D)
- S(c);N_GUARD::R1(F)
- S(c);N_GUARD::R1(F),XS(c)
- P(d);N_SPINS(e)::S(J)
- Tries
- Try
- R(F);XS(e)
- Threat
- DUALS(3)
- Vars
- R(a);P_SPINR(a),XR(F)::S(D)
- S(c);::B(A)+R(F),DCHECK,XS(c)
- R(a);::S(D)
- P(d);::S(D)
- Refutation
- Q(b);P_SPINQ(b),XR(F)
- Try
- Q(B);XP(d)
- Threat
- DUALS(2)
- Vars
- R(a);XB(C)::S(J)
- R(a);N_SPINS(e)::S(J)
- Refutation
- P(f);XQ(B)
- Try
- Actual
- P(H);
- Threat
- S(J)
- Vars
- Q(b);XP(E)::S(D),XQ(b)
- R(a);N_SPINS(e)::S(D)
- P(d);N_SPINS(e)::S(J)
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).