MESON Chess Problem Database
Problem Display
PID: 31234 (2R1R3/b6K/2NBN1pp/1pPk2r1/1Q1p2q1/3P4/1r6/8 w - - 0 1)
Maleika, Gerhard
Paslack, Rainer
2nd Place, 06. WCCT, 1998-2000
#2
9 + 9
| 3447 | 06. WCCT Award | 2001 |
| 23 | Die Schwalbe | 2001 |
| 145 | StrateGems | 2001 |
| 5459 | Sachmatija | 2002 |
| 6166 | FIDE Album (1998-2000) | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Qd1
- 2.Sf4#
- 2.Qxd4#
- 1...Qe2
- 2.Sf4#
- 2.Qxd4#
- 1...Qf3
- 2.Qxd4#
- 1...Qh3
- 2.Sf4#
- 2.Qxd4#
- 1...Qf5
- 2.Qxd4#
- 1...Qh5
- 2.Sf4#
- 2.Qxd4#
- 1...Qxe6
- 2.Qxd4#
- 1...Qg1
- 2.Sf4#
- 1...Qg2
- 2.Sf4#
- 2.Qxd4#
- 1...Qg3
- 2.Qxd4#
- 1...Qf4
- 2.Sxf4#
- 1...Ra2
- 2.Qb3#
- 1...Rd2
- 2.Qb3#
- 1...Re2
- 2.Qb3#
- 1...Rf2
- 2.Qb3#
- 1...Rg2
- 2.Qb3#
- 1...Rh2
- 2.Qb3#
- 1...Rb3
- 2.Qxb3#
- 1...Rxb4
- 2.Sxb4#
- 1...Bxc5
- 2.Qxc5#
- 1...Qd1
- Tries
- 1.Sxg5?
- threat
- 2.Se7#
- 2.Re5#
- 1...Qxc8
- 2.Se7#
- 1...Qxg5
- 2.Qxd4#
- 1...Bxc5
- 2.Qxc5#
- 1...hxg5
- 2.Re5#
- 1...Qe4
- 2.dxe4#
- 1...Qe2
- 2.Qxd4#
- 1...Qf5
- 2.Se7#
- 2.Qxd4#
- 1...Qe6
- 2.Qxd4#
- 1...Qg3
- 2.Se7#
- 2.Qxd4#
- 1...Qf4
- 2.Se7#
- 1...Re2
- 2.Qb3#
- 1...Qd7+!
- threat
- 1.Sed8?
- threat
- 2.Se7#
- 1...Bxc5
- 2.Qxc5#
- 1...Qe4
- 2.dxe4#
- 1...Qe2
- 2.Qxd4#
- 1...Qe6
- 2.Qxd4#
- 1...Re2
- 2.Qb3#
- 1...Re5
- 2.Rxe5#
- 1...Qd7+!
- threat
- 1.Sf8?
- threat
- 2.Se7#
- 1...Bxc5
- 2.Qxc5#
- 1...Qe4
- 2.dxe4#
- 1...Qe2
- 2.Qxd4#
- 1...Qe6
- 2.Qxd4#
- 1...Re2
- 2.Qb3#
- 1...Re5
- 2.Rxe5#
- 1...Qd7+!
- threat
- 1.Bf4?
- threat
- 2.Qxd4#
- 1...Qxf4
- 2.Sxf4#
- 1...Rxb4
- 2.Sxb4#
- 1...Bxc5
- 2.Qxc5#
- 1...Qg1!
- threat
- 1.Qe1?
- threat
- 2.Se7#
- 1...Qxe6
- 2.Qxe6#
- 1...Qe4
- 2.Qxe4#
- 1...Qe2
- 2.Sf4#
- 1...Re2
- 2.Sb4#
- 1...Re5
- 2.Qxe5#
- 1...Bxc5!
- threat
- 1.Qxb2?
- threat
- 2.Sb4#
- 2.Qa2#
- 2.Qb3#
- 1...Qd1
- 2.Sb4#
- 2.Sf4#
- 2.Qxd4#
- 1...Qe2
- 2.Sb4#
- 2.Sf4#
- 2.Qxd4#
- 2.Qb3#
- 1...Qg2
- 2.Sb4#
- 2.Sf4#
- 2.Qxd4#
- 2.Qb3#
- 1...b4
- 2.Sxb4#
- 2.Qb3#
- 1...Bxc5!
- threat
- 1.Qxb5?
- threat
- 2.Sc7#
- 2.Qc4#
- 1...Qxe6
- 2.Qc4#
- 1...Bxc5
- 2.Qxc5#
- 1...Rc2
- 2.Sb4#
- 2.Sc7#
- 1...Rb4
- 2.Sxb4#
- 2.Sc7#
- 1...Bb6
- 2.Qc4#
- 1...Bb8
- 2.Qc4#
- 1...Rxb5!
- threat
- 1.Sxg5?
- Keys
- 1.Sg7!
- threat
- 2.Se7#
- 1...Bxc5
- 2.Qxc5#
- 1...Qe4
- 2.dxe4#
- 1...Qe2
- 2.Qxd4#
- 1...Qe6
- 2.Qxd4#
- 1...Qd7
- 2.Qxd4#
- 1...Re2
- 2.Qb3#
- 1...Re5
- 2.Rxe5#
- threat
- 1.Sg7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 12
- Sets
- Q(c);N_GUARD::QAR1(B),XP(b)
- Q(c);N_GUARD,XS(F)::QAR1(B),XP(b)
- Q(c);N_GUARD::S(F)
- Q(c);N_GUARD::S(F),XQ(c)
- R(a);N_GUARD::QAB(B)
- R(a);N_GUARD::QAB(B),XR(a)
- R(a);XQ(B)::S(D),XR(a)
- B(i);OGATE,XP(C)::QAR1(B),XB(i)
- Tries
- Try
- S(F);XR(f)
- Threat
- DUALS(2)
- Vars
- Q(c);XR(H)::S(D)
- Q(c);N_GUARD,XS(F)::QAR1(B),XP(b)
- B(i);OGATE,XP(C)::QAR1(B),XB(i)
- P(h);XS(F)::R1(I)
- Q(c);OGATE::P(A),XQ(c)
- Q(c);N_GUARD::QAR1(B),XP(b)
- Q(c);::S(D)
- R(a);N_GUARD::QAB(B)
- Refutation
- Q(c);CHECK
- Try
- S(F);
- Threat
- S(D)
- Vars
- B(i);OGATE,XP(C)::QAR1(B),XB(i)
- Q(c);OGATE::P(A),XQ(c)
- Q(c);N_GUARD::QAR1(B),XP(b)
- R(a);N_GUARD::QAB(B)
- R(f);N_GUARD::R1(I),XR(f)
- Refutation
- Q(c);CHECK
- Try
- S(F);
- Threat
- S(D)
- Vars
- B(i);OGATE,XP(C)::QAR1(B),XB(i)
- Q(c);OGATE::P(A),XQ(c)
- Q(c);N_GUARD::QAR1(B),XP(b)
- R(a);N_GUARD::QAB(B)
- R(f);N_GUARD::R1(I),XR(f)
- Refutation
- Q(c);CHECK
- Try
- B(E);
- Threat
- QAR1(B),XP(b)
- Vars
- Q(c);XB(E)::S(F),XQ(c)
- R(a);XQ(B)::S(D),XR(a)
- B(i);OGATE,XP(C)::QAR1(B),XB(i)
- Refutation
- Q(c);
- Try
- Q(B);
- Threat
- S(D)
- Vars
- Q(c);OGATE,XS(F)::QAB1(B),XQ(c)
- Q(c);N_GUARD::QAB1(B),XQ(c)
- Q(c);N_GUARD::S(F)
- R(a);N_GUARD::S(D)
- R(f);N_GUARD::QAR1(B),XR(f)
- Refutation
- B(i);XP(C)
- Try
- Q(B);XR(a)
- Threat
- DUALS(3)
- Refutation
- B(i);XP(C)
- Try
- Q(B);XP(d)
- Threat
- DUALS(2)
- Vars
- Q(c);XS(F)::QAB1(B)
- B(i);OGATE,P_SPINB(i),XP(C)::QAR1(B),XB(i)
- B(i);::QAB1(B)
- Refutation
- R(a);XQ(B)
- Try
- Actual
- S(F);
- Threat
- S(D)
- Vars
- B(i);OGATE,XP(C)::QAR1(B),XB(i)
- Q(c);OGATE::P(A),XQ(c)
- Q(c);N_GUARD::QAR1(B),XP(b)
- Q(c);N_GUARD,P_PINS(F)::QAR1(B),XP(b)
- R(a);N_GUARD::QAB(B)
- R(f);N_GUARD::R1(I),XR(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).