MESON Chess Problem Database
Problem Display
PID: 52856 (1r6/Bp1B1pp1/nQ1p4/2p1k3/1b3R1P/3bNPK1/3P4/8 w - - 0 1)
Larsen, Lars Aksglade (= Aksglade, Lars)
Schach, 2004
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...c4
- 2.Qd4#
- 1...d5
- 2.Sg4#
- 1...c4
- Tries
- 1.Sc4+?
- 1...Kd5
- 2.Qxd6#
- 1...Bxc4!
- 1...Kd5
- 1.Sf5?
- threat
- 2.Qxd6#
- 1...Kd5
- 2.Qxd6#
- 1...Kf6
- 2.Qxd6#
- 1...c4
- 2.Qd4#
- 1...d5
- 2.Qd6#
- 1...Bxf5!
- threat
- 1.Re4+?
- 1...Kf6
- 2.Qxd6#
- 1...Bxe4!
- 1...Kf6
- 1.Rf5+?
- 1...Kd4
- 2.Rd5#
- 2.Qxd6#
- 1...Bxf5!
- 1...Kd4
- 1.Sc4+?
- Keys
- 1.Rd4!
- threat
- 2.Qxd6#
- 1...Kxd4
- 2.Qxd6#
- 1...Kf6
- 2.Qxd6#
- 1...cxd4
- 2.Qxd4#
- 1...c4
- 2.Sg4#
- 1...d5
- 2.Rxd5#
- threat
- 1.Rd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- P(c);OGATE::QAB1(G)
- P(f);SBLOCK::S(B)
- Tries
- Try
- S(B);CHECK
- Vars
- K(d);P-FLIGHT::QAR1(G),XP(f)
- Refutation
- B(a);XS(B)
- Try
- S(B);
- Threat
- QAB1(G),XP(f)
- Vars
- K(d);P-FLIGHT::QAR1(G),XP(f)
- K(d);P_SPINP(f),S_FLIGHT::QAR2(G),XP(f)
- P(c);OGATE::QAB1(G)
- P(f);::QAB1(G)
- Refutation
- B(a);XS(B)
- Try
- R(E);CHECK
- Vars
- K(d);P_SPINP(f),S_FLIGHT::QAR2(G),XP(f)
- Refutation
- B(a);XR(E)
- Try
- R(E);CHECK
- Refutation
- B(a);XR(E)
- Try
- Actual
- R(E);
- Threat
- QAB1(G),XP(f)
- Vars
- K(d);P_SPINP(c),S_FLIGHT,XR(E)::QAR2(G),XP(f)
- K(d);P_SPINP(f),S_FLIGHT::QAR2(G),XP(f)
- P(c);OGATE,XR(E)::QAB1(G),XP(c)
- P(c);::S(B)
- P(f);::R1(E),XP(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).