MESON Chess Problem Database
Problem Display
PID: 77180 (2b4q/K4NP1/1p1R1p2/4P3/p1PBk3/1Np2R1p/2P2Qn1/4r3 w - - 0 1)
Maleika, Gerhard
2nd Prize, Schach, 1999
#2
11 + 10
| 23 | Die Schwalbe | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Se3
- 2.Rf4#
- 1...Sf4
- 2.Rxf4#
- 1...Sh4
- 2.Rf4#
- 1...b5
- 2.Sc5#
- 1...fxe5
- 2.Sg5#
- 1...f5
- 2.Sg5#
- 1...Se3
- Tries
- 1.Bxc3?
- threat
- 2.Sd2#
- 2.Rd4#
- 1...axb3
- 2.Rd4#
- 1...fxe5
- 2.Sd2#
- 2.Sg5#
- 1...Sf4
- 2.Rxf4#
- 1...Qh6
- 2.Rd4#
- 1...Qd8
- 2.Sd2#
- 1...Re2
- 2.Rd4#
- 1...Rd1!
- threat
- 1.Rxc3?
- threat
- 2.Sd2#
- 2.Qf3#
- 1...axb3
- 2.Qf3#
- 1...Rd1
- 2.Qf3#
- 1...Qh5
- 2.Sd2#
- 1...Qh6
- 2.Qf3#
- 1...Rf1
- 2.Sd2#
- 1...Re2
- 2.Qf3#
- 1...Re3
- 2.Sd2#
- 1...Bg4
- 2.Sd2#
- 1...Se3
- 2.Sd2#
- 1...Sh4
- 2.Sd2#
- 1...Sf4!
- threat
- 1.Rfxf6?
- threat
- 2.Sg5#
- 2.Qf3#
- 1...Qxg7
- 2.Qf3#
- 1...Qh4
- 2.Qf3#
- 1...Qh6
- 2.Qf3#
- 1...Rf1
- 2.Sg5#
- 1...Re3
- 2.Sg5#
- 1...Bg4
- 2.Sg5#
- 1...Bf5
- 2.Sg5#
- 2.Qxf5#
- 1...Sf4
- 2.Sg5#
- 2.Rxf4#
- 2.Qxf4#
- 1...Sh4
- 2.Sg5#
- 2.Rf4#
- 2.Qxe1#
- 2.Qf4#
- 1...Qh5!
- threat
- 1.Rxb6?
- threat
- 2.Sc5#
- 2.Sd6#
- 1...Qxg7
- 2.Sc5#
- 1...axb3
- 2.Sd6#
- 1...Sf4
- 2.Sd6#
- 2.Rxf4#
- 1...Qd8
- 2.Sc5#
- 1...Re3
- 2.Sd6#
- 1...Se3
- 2.Sd6#
- 2.Rf4#
- 1...Qf8!
- threat
- 1.Rdxf6?
- threat
- 2.Sg5#
- 2.Sd6#
- 1...Qd8
- 2.Sg5#
- 1...Qh4
- 2.Sd6#
- 1...Qh5
- 2.Sd6#
- 1...Qh6
- 2.Sd6#
- 1...Qf8
- 2.Sg5#
- 1...Qxg7!
- threat
- 1.Bxc3?
- Keys
- 1.Bxb6!
- threat
- 2.Sc5#
- 2.Rd4#
- 1...axb3
- 2.Rd4#
- 1...fxe5
- 2.Sc5#
- 2.Sg5#
- 1...Sf4
- 2.Rxf4#
- 1...Rd1
- 2.Sc5#
- 1...Qd8
- 2.Sc5#
- threat
- 1.Bxb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 5
- Sets
- S(b);N_GUARD::R1(D)
- S(b);N_GUARD::R1(D),XS(b)
- P(g);N_GUARD::S(C)
- P(h);N_GUARD,XP(G)::S(J)
- P(h);N_GUARD::S(J)
- Tries
- Try
- B(F);XP(c)
- Threat
- DUALS(2)
- Vars
- P(e);XS(C)::R1(H)
- S(b);N_GUARD::R1(D),XS(b)
- Q(j);::R1(H)
- Q(j);::S(C)
- R(a);::R1(H)
- Refutation
- R(a);
- Try
- R(D);XP(c)
- Threat
- DUALS(2)
- Vars
- P(e);XS(C)::QAB1(B)
- R(a);::QAB1(B)
- Q(j);::S(C)
- Q(j);::QAB1(B)
- R(a);::S(C)
- B(i);::S(C)
- S(b);::S(C)
- Refutation
- S(b);
- Try
- R(D);XP(h)
- Threat
- DUALS(2)
- Vars
- Q(j);P_PINS(J),XP(K)::QAB1(B)
- Q(j);::QAB1(B)
- R(a);::S(J)
- B(i);::S(J)
- Refutation
- Q(j);
- Try
- R(H);XP(g)
- Threat
- DUALS(2)
- Vars
- Q(j);P_PINS(J),XP(K)::S(C)
- P(e);XS(C)::S(J)
- Q(j);::S(C)
- R(a);::S(J)
- Refutation
- Q(j);
- Try
- R(H);XP(h)
- Threat
- DUALS(2)
- Vars
- Q(j);::S(J)
- Refutation
- Q(j);P_PINS(J),XP(K)
- Try
- Actual
- B(F);XP(g)
- Threat
- DUALS(2)
- Vars
- P(e);XS(C)::R1(H)
- S(b);N_GUARD::R1(D),XS(b)
- R(a);::S(C)
- Q(j);::S(C)
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).