MESON Chess Problem Database
Problem Display
PID: 52806 (5B2/1R6/P1k3rQ/b7/1P1pNP1p/5N1K/2r3B1/1nR5 w - - 0 1)
Stojnic, Dragan
2nd HM., Ahues-75 JT, 1998
#2
11 + 7
| 23 | Die Schwalbe | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Rc5
- 2.Rxc5#
- 1...Rd6
- 2.Qxd6#
- 1...Re6
- 2.Qxe6#
- 1...Rc5
- Tries
- 1.Sfg5?
- threat
- 2.Sd2#
- 2.Sf2#
- 2.Sg3#
- 2.Sd6#
- 2.Sf6#
- 1...Rc3+
- 2.Sxc3#
- 2.Sg3#
- 1...Kd5
- 2.Sd2#
- 1...Bxb4
- 2.Sd2#
- 2.Sf2#
- 2.Sg3#
- 2.Sf6#
- 1...Bb6
- 2.Sd6#
- 1...Bc7
- 2.Sf6#
- 1...Rd6
- 2.Sd2#
- 2.Sf2#
- 2.Sg3#
- 2.Sxd6#
- 2.Qxd6#
- 1...Re6
- 2.Sd2#
- 2.Sf2#
- 2.Sg3#
- 2.Qxe6#
- 1...Rf6
- 2.Sd2#
- 2.Sf2#
- 2.Sg3#
- 2.Sd6#
- 2.Sxf6#
- 1...Sd2
- 2.Sxd2#
- 1...Sc3!
- threat
- 1.Sed2?
- threat
- 2.Se1#
- 2.Sg1#
- 2.Sh2#
- 2.Sxd4#
- 2.Sxh4#
- 2.Se5#
- 2.Sg5#
- 1...Kd5
- 2.Sg5#
- 1...Sxd2
- 2.Sxd2#
- 2.Sxd4#
- 2.Se5#
- 1...Bb6
- 2.Sxd4#
- 1...Bc7
- 2.Se5#
- 1...Sc3
- 2.Sxd4#
- 2.Se5#
- 1...d3
- 2.Se1#
- 2.Sg1#
- 2.Sh2#
- 2.Sd4#
- 2.Sxh4#
- 2.Se5#
- 2.Sg5#
- 1...Rc3!
- threat
- 1.Sc3?
- threat
- 2.Sd2#
- 2.Sxd4#
- 2.Se5#
- 2.Qxg6#
- 2.b5#
- 1...Rxg2
- 2.Sxd4#
- 2.Se5#
- 2.b5#
- 1...Rxh6
- 2.Sd2#
- 2.Sxd4#
- 2.Se5#
- 2.b5#
- 1...Bxb4
- 2.Sd2#
- 2.Sxd4#
- 2.Se5#
- 1...Sxc3
- 2.Sxd4#
- 2.Se5#
- 1...dxc3
- 2.Sd2#
- 2.Sd4#
- 2.Se5#
- 1...Bc7
- 2.Se5#
- 1...Rb2
- 2.Sd2#
- 2.Sxd4#
- 2.Se5#
- 2.Qxg6#
- 1...Rd2
- 2.Sxd2#
- 2.Sxd4#
- 2.Se5#
- 2.Qxg6#
- 2.b5#
- 1...Re2
- 2.Sxd4#
- 2.Se5#
- 2.b5#
- 1...Rf2
- 2.Sxd4#
- 2.Se5#
- 2.Qxg6#
- 2.b5#
- 1...Rd6
- 2.Sd2#
- 2.Sxd4#
- 2.Se5#
- 2.Qxd6#
- 1...Re6
- 2.Sd2#
- 2.Sxd4#
- 2.Se5#
- 2.Qxe6#
- 2.b5#
- 1...Rf6
- 2.Sd2#
- 2.Sxd4#
- 2.Se5#
- 2.Qxf6#
- 2.b5#
- 1...Bd8
- 2.Sd2#
- 2.Sxd4#
- 2.Se5#
- 2.b5#
- 1...Sd2
- 2.Sxd2#
- 2.Sxd4#
- 2.Se5#
- 2.Qxg6#
- 2.b5#
- 1...Sa3
- 2.Sd2#
- 2.Sxd4#
- 2.Se5#
- 2.Qxg6#
- 1...d3
- 2.Sd2#
- 2.Sd4#
- 2.Se5#
- 2.Qxg6#
- 2.b5#
- 1...Rxc3!
- threat
- 1.Sg3?
- threat
- 2.Se1#
- 2.Sg1#
- 2.Sd2#
- 2.Sh2#
- 2.Sxd4#
- 2.Sxh4#
- 2.Se5#
- 2.Sg5#
- 1...hxg3
- 2.Se1#
- 2.Sg1#
- 2.Sd2#
- 2.Sh2#
- 2.Sxd4#
- 2.Sh4#
- 2.Se5#
- 2.Sg5#
- 1...Bb6
- 2.Sxd4#
- 1...Bc7
- 2.Se5#
- 1...Sd2
- 2.Sxd2#
- 2.Sxd4#
- 2.Se5#
- 1...Sc3
- 2.Sxd4#
- 2.Se5#
- 1...d3
- 2.Se1#
- 2.Sg1#
- 2.Sd2#
- 2.Sh2#
- 2.Sd4#
- 2.Sxh4#
- 2.Se5#
- 2.Sg5#
- 1...Kd5!
- threat
- 1.Seg5?
- threat
- 2.Se1#
- 2.Sg1#
- 2.Sd2#
- 2.Sh2#
- 2.Sxd4#
- 2.Sxh4#
- 2.Se5#
- 1...Kd5
- 2.Sd2#
- 1...Bb6
- 2.Sxd4#
- 1...Bc7
- 2.Se5#
- 1...Sd2
- 2.Sxd2#
- 2.Sxd4#
- 2.Se5#
- 1...Sc3
- 2.Sxd4#
- 2.Se5#
- 1...d3
- 2.Se1#
- 2.Sg1#
- 2.Sd2#
- 2.Sh2#
- 2.Sd4#
- 2.Sxh4#
- 2.Se5#
- 1...Rc3!
- threat
- 1.Sf6?
- threat
- 2.Sxd4#
- 2.Se5#
- 2.Sg5#
- 2.b5#
- 1...Rxg2
- 2.Sxd4#
- 2.Se5#
- 2.b5#
- 1...Rxf6
- 2.Se1#
- 2.Sg1#
- 2.Sd2#
- 2.Sh2#
- 2.Sxd4#
- 2.Sxh4#
- 2.Se5#
- 2.Sg5#
- 1...Bxb4
- 2.Sxd4#
- 2.Se5#
- 2.Sg5#
- 1...Bb6
- 2.Sxd4#
- 1...Rc3
- 2.b5#
- 1...Rg4
- 2.Sxd4#
- 2.Se5#
- 2.b5#
- 1...Rg5
- 2.Sxd4#
- 2.Se5#
- 2.Sxg5#
- 1...Sd2
- 2.Sxd4#
- 2.Se5#
- 2.b5#
- 1...Sa3
- 2.Sxd4#
- 2.Se5#
- 2.Sg5#
- 1...Sc3
- 2.Sxd4#
- 2.Se5#
- 1...d3
- 2.Sd4#
- 2.Se5#
- 2.Sg5#
- 2.b5#
- 1...Rg3+!
- threat
- 1.Qg5?
- threat
- 2.Sxd4#
- 2.Qb5#
- 2.b5#
- 1...Bxb4
- 2.Sxd4#
- 2.Qb5#
- 1...Bc7
- 2.Qb5#
- 1...Rc3
- 2.Qb5#
- 2.b5#
- 1...Rc5
- 2.Sxd4#
- 2.Rxc5#
- 2.Qxc5#
- 2.b5#
- 1...Rd6
- 2.Qb5#
- 2.b5#
- 1...Bb6
- 2.b5#
- 1...Sa3
- 2.Sxd4#
- 1...Sc3
- 2.Sxd4#
- 2.Qc5#
- 1...d3
- 2.Sd4#
- 2.Qb5#
- 2.b5#
- 1...Rxg5!
- threat
- 1.Sfg5?
- Keys
- 1.Sfd2!
- threat
- 2.Sf2#
- 2.Sc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 1...Rc3+
- 2.Sxc3#
- 2.Sg3#
- 1...Kd5
- 2.Sg5#
- 1...Sxd2
- 2.Sxd2#
- 1...Bb6
- 2.Sc3#
- 1...Bc7
- 2.Sc5#
- 1...Rc5
- 2.Sf2#
- 2.Sg3#
- 2.Sxc5#
- 2.Sg5#
- 2.Rxc5#
- 1...Sc3
- 2.Sxc3#
- threat
- 1.Sfd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 3
- Sets
- R(b);OGATE::R1(A),XR(b)
- R(g);OGATE::QAR1(I),XR(g)
- R(g);OGATE::QAR2(I),XR(g)
- Tries
- Try
- S(C);
- Threat
- DUALS(5)
- Vars
- K(f);N_SPINR(b),S_FLIGHT::B(B)+S(F)
- B(e);::B(B)+S(F)
- S(a);::B(B)+S(F),XS(a)
- Refutation
- S(a);N_SPINR(b),P_SPINR(g)
- Try
- S(F);
- Threat
- DUALS(7)
- Vars
- K(f);N_SPINR(b),S_FLIGHT::B(B)+S(C)
- B(e);::B(B)+S(C),DCHECK,XP(c)
- B(e);::B(B)+S(C),DCHECK
- Refutation
- R(b);P_PINS(C)
- Try
- S(F);N_PINR(b),P_PINR(g)
- Threat
- DUALS(5)
- Vars
- B(e);::B(B)+S(C),DCHECK
- Refutation
- R(b);N_SPINR(g),P_PINS(C),P_SPINR(b),XS(F)
- Try
- S(F);
- Threat
- DUALS(8)
- Vars
- B(e);::B(B)+S(C),DCHECK,XP(c)
- B(e);::B(B)+S(C),DCHECK
- Refutation
- K(f);N_SPINR(b),S_FLIGHT
- Try
- S(F);
- Threat
- DUALS(7)
- Vars
- K(f);N_SPINR(b),S_FLIGHT::B(B)+S(C)
- B(e);::B(B)+S(C),DCHECK,XP(c)
- B(e);::B(B)+S(C),DCHECK
- Refutation
- R(b);P_PINS(C)
- Try
- S(F);
- Threat
- DUALS(4)
- Vars
- B(e);::B(B)+S(C),DCHECK,XP(c)
- R(b);P_PINS(C)::P(E)
- Refutation
- R(g);CHECK
- Try
- Q(I);
- Threat
- DUALS(3)
- Vars
- B(e);::QAB1(I)
- B(e);::P(E)
- S(a);::S(C),XP(c)
- Refutation
- R(g);XQ(I)
- Try
- Actual
- S(C);
- Threat
- DUALS(5)
- Vars
- K(f);N_SPINR(b),S_FLIGHT::B(B)+S(F)
- S(a);XS(C)::B(B)+S(F),XS(a)
- B(e);::B(B)+S(F)
- S(a);N_SPINR(b),P_SPINR(g)::B(B)+S(F),XS(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).