MESON Chess Problem Database
Problem Display
PID: 81858 (7Q/3p1pK1/4PpP1/5R2/3k2P1/2R5/1PB5/r6b w - - 0 1)
Maleika, Gerhard
Comm., The Problemist, 2008
#2
9 + 6
| 56 | The Problemist | 2009 |
| 23 | Die Schwalbe | 2012 |
SOLUTION
- SOUND
- Tries
- 1.Qxh1?
- threat
- 2.Rd5#
- 2.Qe4#
- 2.Qd5#
- 1...dxe6
- 2.Qe4#
- 1...fxe6
- 2.Qe4#
- 1...Re1
- 2.Rd5#
- 2.Qd5#
- 1...Ra5
- 2.Qe4#
- 2.Qd1#
- 2.Qg1#
- 1...d5
- 2.Rxd5#
- 2.Qxd5#
- 1...Rxh1!
- threat
- 1.Qh2?
- threat
- 2.Qd2#
- 2.Qf2#
- 1...Rd1
- 2.Qf2#
- 1...Re1
- 2.Qd2#
- 1...Rf1
- 2.Qd2#
- 1...Be4
- 2.Qf2#
- 1...Bg2!
- threat
- 1.Qh3?
- threat
- 2.Qd3#
- 2.Qe3#
- 1...Rd1
- 2.Qe3#
- 1...Re1
- 2.Qd3#
- 1...Be4
- 2.Qe3#
- 1...Bf3!
- threat
- 1.Qh4?
- threat
- 2.Qf2#
- 2.Qxf6#
- 1...dxe6
- 2.Qf2#
- 1...fxe6
- 2.Qf2#
- 1...Rf1
- 2.Qxf6#
- 1...Ra5
- 2.Qf2#
- 1...Re1!
- threat
- 1.Qb8?
- threat
- 2.Qb4#
- 2.Qb6#
- 1...Ra4
- 2.Qb6#
- 1...Ra5
- 2.Qb4#
- 1...Ra6
- 2.Qb4#
- 1...Bd5
- 2.Qb6#
- 1...Bb7!
- threat
- 1.Qc8?
- threat
- 2.Qc4#
- 2.Qc5#
- 1...Ra4
- 2.Qc5#
- 1...Ra5
- 2.Qc4#
- 1...Bd5
- 2.Qc5#
- 1...d5
- 2.Qc5#
- 1...d6
- 2.Qc4#
- 1...Bc6!
- threat
- 1.Qd8?
- threat
- 2.Qb6#
- 2.Qxf6#
- 1...fxe6
- 2.Qb6#
- 1...Re1
- 2.Qb6#
- 1...Ra6
- 2.Qxf6#
- 1...Ra5!
- threat
- 1.Qf8?
- threat
- 2.Qb4#
- 2.Qc5#
- 1...Ra4
- 2.Qc5#
- 1...Ra5
- 2.Qb4#
- 1...Bd5
- 2.Qc5#
- 1...d6!
- threat
- 1.Qxh1?
- Keys
- 1.Qh6!
- threat
- 2.Qd2#
- 2.Qe3#
- 1...Re1
- 2.Qd2#
- 1...Rd1
- 2.Qe3#
- 1...Be4
- 2.Qe3#
- threat
- 1.Qh6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(I);XB(b)
- Threat
- DUALS(3)
- Vars
- P(e);XP(F)::QAR1(I)
- P(f);XP(F)::QAR1(I)
- Refutation
- R(a);XQ(I)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- R(a);::QAB(I)
- R(a);::QAR2(I)
- B(b);::QAB(I)
- Refutation
- B(b);
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- R(a);::QAB1(I)
- R(a);::QAR1(I)
- B(b);::QAB1(I)
- Refutation
- B(b);
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- P(e);XP(F)::QAB(I)
- P(f);XP(F)::QAB(I)
- R(a);::QAB(I),XP(d)
- R(a);::QAB(I)
- Refutation
- R(a);
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- R(a);::QAB(I)
- R(a);::QAR2(I)
- B(b);::QAB(I)
- Refutation
- B(b);
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- R(a);::QAB1(I)
- R(a);::QAR1(I)
- B(b);::QAB1(I)
- P(e);::QAB1(I)
- P(e);::QAR1(I)
- Refutation
- B(b);
- Try
- Q(I);P_PINP(e)
- Threat
- DUALS(2)
- Vars
- P(f);XP(F)::QAB(I)
- R(a);::QAB(I)
- R(a);::QAB(I),XP(d)
- Refutation
- R(a);
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- R(a);::QAB1(I)
- R(a);::QAR2(I)
- B(b);::QAB1(I)
- Refutation
- P(e);
- Try
- Actual
- Q(I);
- Threat
- DUALS(2)
- Vars
- R(a);::QAR2(I)
- R(a);::QAB1(I)
- B(b);::QAB1(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).