MESON Chess Problem Database
Problem Display
PID: 110622 (8/8/6p1/6Qb/2pp2p1/1pP1r1p1/1N1k1pN1/BK1B1R2 w - - 0 1)
Hadlung, Jens
3rd Prize, Sveriges Schackforbund, 1928
#2
8 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kxc3
- 2.Qa5#
- 1...dxc3
- 2.Qxe3#
- 1...d3
- 2.Sxc4#
- 1...Kxc3
- Tries
- 1.Sxe3?
- threat
- 2.Sd5#
- 1...Kxc3
- 2.Sd5#
- 2.Qa5#
- 1...dxe3!
- threat
- 1.Bf3?
- 1...Kxc3
- 2.Qa5#
- 1...dxc3
- 2.Rd1#
- 2.Qxe3#
- 1...d3
- 2.Sxc4#
- 1...gxf3!
- 1...Kxc3
- 1.Bxg4?
- 1...Kxc3
- 2.Qa5#
- 1...dxc3
- 2.Rd1#
- 2.Qxe3#
- 1...d3
- 2.Sxc4#
- 1...Bxg4!
- 1...Kxc3
- 1.Rxf2+?
- 1...Kxc3
- 2.Qa5#
- 1...gxf2!
- 1...Kxc3
- 1.Sxe3?
- Keys
- 1.Sf4!
- threat
- 2.Sxc4#
- 1...Kxc3
- 2.Qa5#
- 1...Rxc3
- 2.Sfd3#
- 1...Re1
- 2.Se2#
- threat
- 1.Sf4!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- K(a);N_SPINR(d),OGATEB,S_FLIGHT,XP(G)::QAB(H)
- P(g);N_GUARD,XP(G)::QAB1(H),XR(d)
- P(g);SBLOCK::S(E),XP(f)
- Tries
- Try
- S(F);XR(d)
- Threat
- QAB(H)+S(F)
- Refutation
- P(g);P_SPINP(g),XS(F)
- Try
- B(C);
- Vars
- K(a);N_SPINR(d),OGATEB,S_FLIGHT,XP(G)::QAB(H)
- P(g);SBLOCK::S(E),XP(f)
- Refutation
- P(h);XB(C)
- Try
- B(C);XP(h)
- Vars
- K(a);N_SPINR(d),OGATEB,S_FLIGHT,XP(G)::QAB(H)
- P(g);SBLOCK::S(E),XP(f)
- Refutation
- B(i);XB(C)
- Try
- R(D);CHECK,XP(b)
- Vars
- K(a);N_SPINR(d),S_FLIGHT,XP(G)::QAB(H)
- Refutation
- P(e);XR(D)
- Try
- Actual
- S(F);N_PINR(d)
- Threat
- S(E),XP(f)
- Vars
- K(a);OGATEB,S_FLIGHT,XP(G)::QAB(H)
- R(d);SBLOCK,XP(G)::QAB(H)+S(F)
- R(d);P_PINB(C)::QAB(H)+S(F)
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).