MESON Chess Problem Database
Problem Display
PID: 43259 (2q1nBn1/2Np3r/5Q2/p7/r1kp3p/R4p2/N3PK2/b7 w - - 0 1)
Maleika, Gerhard
1st Comm., Probleemblad, 2002
#2
7 + 12
| 102 | Probleemblad | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Qa6
- 2.Qxa6#
- 1...Qd8
- 2.Qa6#
- 1...d3
- 2.exd3#
- 1...d5
- 2.Qc6#
- 1...Qa6
- Tries
- 1.Qxf3?
- threat
- 2.Rxa4#
- 2.Qd5#
- 2.Qb3#
- 2.Qd3#
- 1...Qxc7
- 2.Qb3#
- 1...Rxa3
- 2.Qd5#
- 1...Sxc7
- 2.Qb3#
- 1...Re7
- 2.Qd5#
- 1...Sd6
- 2.Qd5#
- 1...d3
- 2.Qd5#
- 2.Qxd3#
- 1...d6
- 2.Qd5#
- 2.Qc6#
- 1...Rh5
- 2.Rxa4#
- 2.Qb3#
- 2.Qd3#
- 1...Qb7
- 2.Qd3#
- 1...Qa8
- 2.Rxa4#
- 2.Qb3#
- 2.Qd3#
- 1...Qb8
- 2.Qd5#
- 2.Qd3#
- 1...Rb4
- 2.Qd5#
- 2.Qd3#
- 1...Rf7
- 2.Rxa4#
- 1...Bc3
- 2.Qd5#
- 2.Qd3#
- 1...Sef6
- 2.Rxa4#
- 2.Qb3#
- 2.Qd3#
- 1...Sgf6
- 2.Rxa4#
- 2.Qb3#
- 2.Qd3#
- 1...d5
- 2.Rxa4#
- 2.Qxd5#
- 2.Qb3#
- 2.Qd3#
- 1...Se7!
- threat
- 1.Qf5?
- threat
- 2.Qd3#
- 2.Qb5#
- 2.Qc5#
- 2.Qd5#
- 1...Rxa3
- 2.Qb5#
- 2.Qd5#
- 1...Sxc7
- 2.Qc5#
- 1...d3
- 2.Qxd3#
- 2.Qc5#
- 2.Qd5#
- 1...Rh5
- 2.Qd3#
- 1...Qa6
- 2.Qd3#
- 2.Qc5#
- 2.Qd5#
- 1...Qb7
- 2.Qd3#
- 2.Qc5#
- 1...Qa8
- 2.Qd3#
- 2.Qb5#
- 2.Qc5#
- 1...Qb8
- 2.Qd3#
- 2.Qc5#
- 2.Qd5#
- 1...Rb4
- 2.Qd3#
- 2.Qc5#
- 2.Qd5#
- 1...Re7
- 2.Qb5#
- 2.Qd5#
- 1...Sd6
- 2.Qd5#
- 1...Sef6
- 2.Qd3#
- 2.Qb5#
- 2.Qc5#
- 1...Sgf6
- 2.Qd3#
- 2.Qb5#
- 2.Qc5#
- 1...Se7
- 2.Qb5#
- 1...d5
- 2.Qd3#
- 2.Qxd5#
- 1...d6
- 2.Qb5#
- 2.Qd5#
- 1...Qxc7!
- threat
- 1.Qe6+?
- 1...d5
- 2.Qxd5#
- 2.Qc6#
- 1...dxe6!
- 1...d5
- 1.Qf7+?
- 1...d5
- 2.Qxd5#
- 1...Rxf7!
- 1...d5
- 1.Qxf3?
- Keys
- 1.Qb6!
- threat
- 2.Rxa4#
- 2.Qc5#
- 2.Qb3#
- 2.Qb5#
- 1...Qxc7
- 2.Qb3#
- 1...Rxa3
- 2.Qb5#
- 1...Sxc7
- 2.Qc5#
- 2.Qb3#
- 1...fxe2
- 2.Qc5#
- 2.Qb3#
- 2.Qb5#
- 1...Rh5
- 2.Rxa4#
- 2.Qb3#
- 1...Qa6
- 2.Rxa4#
- 2.Qc5#
- 2.Qb3#
- 2.Qxa6#
- 1...Qb7
- 2.Rxa4#
- 2.Qc5#
- 1...Qb8
- 2.Rxa4#
- 2.Qc5#
- 1...Rb4
- 2.Qc5#
- 1...Re7
- 2.Rxa4#
- 2.Qb5#
- 1...Bc3
- 2.Qc5#
- 2.Qb3#
- 2.Qb5#
- 1...Sd6
- 2.Rxa4#
- 1...Se7
- 2.Rxa4#
- 2.Qb5#
- 1...d3
- 2.Rxa4#
- 2.Qc5#
- 2.exd3#
- 1...d6
- 2.Rxa4#
- 2.Qb5#
- 2.Qc6#
- threat
- 1.Qb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 4
- Sets
- Q(j);N_GUARD::QAB(E),XQ(j)
- Q(j);N_GUARD::QAB(E)
- P(e);OGATE::P(B),XP(e)
- P(h);N_GUARD::QAR2(E)
- Tries
- Try
- Q(E);XP(b)
- Threat
- DUALS(4)
- Vars
- Q(j);XS(F)::QAB1(E)
- R(c);XR(D)::QAB1(E)
- S(k);XS(F)::QAB1(E)
- R(i);::QAB1(E)
- S(k);::QAB1(E)
- Q(j);::QAB1(E)
- R(i);P_PINQ(E)::R(D),XR(c)
- Refutation
- S(l);
- Try
- Q(E);
- Threat
- DUALS(4)
- Vars
- S(k);XS(F)::QAR1(E)
- R(i);::QAB1(E)
- S(k);::QAB1(E)
- S(l);::QAB1(E)
- Refutation
- Q(j);XS(F)
- Try
- Q(E);CHECK
- Refutation
- P(h);XQ(E)
- Try
- Q(E);CHECK
- Vars
- P(h);P_SPINP(h)::QAB1(E),XP(h)
- Refutation
- R(i);XQ(E)
- Try
- Actual
- Q(E);
- Threat
- DUALS(4)
- Vars
- Q(j);XS(F)::QAB1(E)
- R(c);XR(D)::QAB1(E)
- R(c);::QAR1(E)
- S(k);::R(D),XR(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).