MESON Chess Problem Database
Problem Display
PID: 40290 (b3R3/2p2p2/1pnk1N2/pP2p2p/K1Q4r/7p/B2N4/b1R3B1 w - - 0 1)
Lindner, Laszlo
British Chess Magazine, 1935
#2
9 + 12
| 4080 | Mattbilder eines Lebens | 1996 |
SOLUTION
- SOUND
- Sets
- 1...Rxc4+
- 2.Sxc4#
- 1...Re4
- 2.Sdxe4#
- 1...Bd4
- 2.Qd5#
- 1...Sb4
- 2.Qxc7#
- 1...Sd4
- 2.Qxc7#
- 1...Se7
- 2.Rd8#
- 1...e4
- 2.Qd5#
- 1...Rxc4+
- Tries
- 1.Bd4?
- threat
- 2.Qd5#
- 1...Sxd4
- 2.Qxc7#
- 1...Sb4
- 2.Qxc7#
- 1...Sa7
- 2.Qxc7#
- 1...Se7
- 2.Rd8#
- 2.Qxc7#
- 1...Sb8
- 2.Qxc7#
- 1...Sd8
- 2.Qxc7#
- 1...Rxd4!
- threat
- 1.Bxb6?
- threat
- 2.Bc5#
- 1...Rxc4+
- 2.Sxc4#
- 1...Bd4
- 2.Qd5#
- 1...cxb6!
- threat
- 1.Rd1?
- threat
- 2.Sde4#
- 1...Rxc4+
- 2.Sxc4#
- 1...Re4
- 2.Sdxe4#
- 1...Bd4
- 2.Qd5#
- 1...e4
- 2.Sdxe4#
- 2.Qd5#
- 1...Sd4!
- threat
- 1.Qf4?
- threat
- 2.Sc4#
- 2.Sde4#
- 1...Bd4
- 2.Sde4#
- 1...Sb4
- 2.Sc4#
- 1...Sd4
- 2.Qxe5#
- 1...Sa7
- 2.Sc4#
- 1...Se7
- 2.Rd8#
- 1...Sb8
- 2.Sc4#
- 1...Sd8
- 2.Sc4#
- 1...Rxf4+!
- threat
- 1.Qg4?
- threat
- 2.Sc4#
- 2.Sde4#
- 2.Sfe4#
- 1...hxg4
- 2.Sc4#
- 2.Sde4#
- 1...Bd4
- 2.Sde4#
- 2.Sfe4#
- 2.Qd7#
- 1...Sb4
- 2.Sc4#
- 2.Qd7#
- 1...Sd4
- 2.Qd7#
- 1...Sa7
- 2.Sc4#
- 1...Se7
- 2.Sc4#
- 2.Rd8#
- 1...Sb8
- 2.Sc4#
- 1...Sd8
- 2.Sc4#
- 1...e4
- 2.Sc4#
- 2.Sdxe4#
- 2.Sfxe4#
- 2.Qd7#
- 1...Rxg4+!
- threat
- 1.Qxh4?
- threat
- 2.Sc4#
- 2.Sde4#
- 1...Bd4
- 2.Sde4#
- 1...Sb4
- 2.Sc4#
- 1...Sa7
- 2.Sc4#
- 1...Se7
- 2.Rd8#
- 1...Sb8
- 2.Sc4#
- 1...Sd8
- 2.Sc4#
- 1...e4
- 2.Sc4#
- 2.Sdxe4#
- 1...Sd4!
- threat
- 1.Bd4?
- Keys
- 1.Qe4!
- threat
- 2.Sc4#
- 1...Rxe4+
- 2.Sdxe4#
- 1...Bd4
- 2.Qd5#
- 1...Sd4
- 2.Qxe5#
- 1...Se7
- 2.Rd8#
- threat
- 1.Qe4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- R(c);CHECK,XQ(F)::S(D),XR(c)
- R(c);N_GUARD::S(D),XR(c)
- B(a);N_PINQ(F)::QAR1(F)
- S(h);N_PINQ(F)::QAB1(F),XP(j)
- S(h);N_GUARD,SBLOCK::R(I)
- P(e);N_PINQ(F)::QAR1(F)
- Tries
- Try
- B(B);N_SPINQ(F)
- Threat
- QAR1(F)
- Vars
- S(h);OGATE,XB(B)::QAB1(F),XP(j)
- S(h);OGATE::QAB1(F),XP(j)
- Refutation
- R(c);P_PINQ(F),XB(B)
- Try
- B(B);XP(g)
- Threat
- B(B)
- Vars
- R(c);CHECK,XQ(F)::S(D),XR(c)
- B(a);N_PINQ(F)::QAR1(F)
- Refutation
- P(j);XB(B)
- Try
- R(A);
- Threat
- R(A)+S(D),DCHECK
- Vars
- R(c);CHECK,XQ(F)::R(A)+S(D),DCHECK,XR(c)
- R(c);::R(A)+S(D),DCHECK,XR(c)
- B(a);N_PINQ(F)::QAR1(F)
- Refutation
- S(h);N_PINQ(F)
- Try
- Q(F);P_PINP(e)
- Threat
- DUALS(2)
- Vars
- B(a);N_PINQ(F)::S(D)
- S(h);N_PINQ(F)::S(D)
- S(h);N_PINQ(F)::QAB1(F),XP(e)
- S(h);::S(D)
- S(h);N_GUARD,SBLOCK::R(I)
- Refutation
- R(c);CHECK,N_SPINP(e),XQ(F)
- Try
- Q(F);
- Threat
- DUALS(3)
- Vars
- S(h);N_PINQ(F)::QAR1(F)
- S(h);::S(D)
- Refutation
- R(c);CHECK,XQ(F)
- Try
- Q(F);N_SPINQ(F),XR(c)
- Threat
- DUALS(2)
- Vars
- B(a);::S(D)
- S(h);::S(D)
- S(h);N_GUARD,SBLOCK::R(I)
- Refutation
- S(h);
- Try
- Actual
- Q(F);
- Threat
- S(D)
- Vars
- R(c);CHECK,XQ(F)::S(D),XR(c)
- B(a);N_PINQ(F)::QAR1(F)
- S(h);N_PINQ(F)::QAB1(F),XP(e)
- S(h);N_GUARD,SBLOCK::R(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).