MESON Chess Problem Database
Problem Display
PID: 233585 (2B1rRn1/8/1KPP3p/p1Q1NPr1/4k3/1R4P1/1pP2P1N/3n3b w - - 0 1)
Witt, Andreas
Freie Presse, 2010
#2
13 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rxf5
- 2.Bxf5#
- 1...Rxe5
- 2.Qc4#
- 1...Sxf2
- 2.Re3#
- 1...Se3
- 2.Rxe3#
- 1...a4
- 2.Rb4#
- 1...Rxf5
- Tries
- 1.Shf3?
- threat
- 2.Sd2#
- 2.Qd4#
- 2.Qc4#
- 1...Rxg3
- 2.Qd4#
- 2.Qc4#
- 1...b1S
- 2.Qd4#
- 2.Qc4#
- 1...Se3
- 2.Sd2#
- 2.Rxe3#
- 2.Qd4#
- 1...Bxf3!
- threat
- 1.Shg4?
- threat
- 2.Qc4#
- 1...Se3
- 2.Rxe3#
- 1...Rxg4!
- threat
- 1.Sd3?
- threat
- 2.Qc4#
- 1...Sxf2
- 2.Sxf2#
- 1...Se3!
- threat
- 1.Sef3?
- threat
- 2.Sd2#
- 2.Qd4#
- 2.Qc4#
- 1...Rxg3
- 2.Qd4#
- 2.Qc4#
- 1...b1S
- 2.Qd4#
- 2.Qc4#
- 1...Se3
- 2.Sd2#
- 2.Rxe3#
- 2.Qd4#
- 1...Bxf3!
- threat
- 1.Seg4?
- threat
- 2.Qc4#
- 1...Se3
- 2.Rxe3#
- 1...Rxg4!
- threat
- 1.Sg6?
- threat
- 2.Qc4#
- 1...Se3
- 2.Rxe3#
- 1...Rxg6!
- threat
- 1.Sf7?
- threat
- 2.Qc4#
- 1...Rxc8
- 2.Qe5#
- 1...Se3
- 2.Rxe3#
- 1...Re6!
- threat
- 1.Rb5?
- threat
- 2.Qc4#
- 2.Qd5#
- 1...Rxg3
- 2.Qc4#
- 1...Rxe5
- 2.Qc4#
- 2.Qxe5#
- 1...Sc3
- 2.Qe3#
- 2.Qc4#
- 1...Se3
- 2.Qxe3#
- 1...Sf6
- 2.Qc4#
- 1...Se7
- 2.Qc4#
- 1...Sxf2!
- threat
- 1.Rxe8?
- threat
- 2.Qc4#
- 1...Se3
- 2.Rxe3#
- 1...Se7!
- threat
- 1.Qe3+?
- 1...Kd5
- 2.Rd3#
- 1...Sxe3!
- 1...Kd5
- 1.f4?
- threat
- 2.Qc4#
- 1...Se3
- 2.Rxe3#
- 1...Sc3!
- threat
- 1.Shf3?
- Keys
- 1.Sd7!
- threat
- 2.Qc4#
- 1...Rxf8
- 2.Qe5#
- 1...Se3
- 2.Rxe3#
- 1...Sf6
- 2.Sxf6#
- threat
- 1.Sd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- R(f);OGATE,XP(H)::B(L),XR(f)
- R(h);SBLOCK,XS(G)::QAR2(F)
- S(a);N_GUARD,XP(B)::R1(D)
- S(a);N_GUARD::R1(D),XS(a)
- P(e);N_GUARD::R(D)
- Tries
- Try
- S(C);
- Threat
- DUALS(3)
- Refutation
- B(b);XS(C)
- Try
- S(C);
- Threat
- QAR2(F)
- Vars
- S(a);N_GUARD::R1(D),XS(a)
- Refutation
- R(f);XS(C)
- Try
- S(G);
- Threat
- QAR2(F)
- Vars
- S(a);XP(B)::S(G),XS(a)
- Refutation
- S(a);
- Try
- S(G);
- Threat
- DUALS(3)
- Refutation
- B(b);XS(G)
- Try
- S(G);
- Threat
- QAR2(F)
- Vars
- S(a);N_GUARD::R1(D),XS(a)
- Refutation
- R(f);XS(G)
- Try
- S(G);
- Threat
- QAR2(F)
- Vars
- S(a);N_GUARD::R1(D),XS(a)
- Refutation
- R(f);XS(G)
- Try
- S(G);
- Threat
- QAR2(F)
- Vars
- R(h);N_GUARD,XB(L)::QAR1(F)
- S(a);N_GUARD::R1(D),XS(a)
- Refutation
- R(h);
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- R(f);XP(E)::QAR2(F)
- S(a);N_GUARD::QAR1(F),XS(a)
- S(i);::QAR2(F)
- Refutation
- S(a);XP(B)
- Try
- R(M);XR(h)
- Threat
- QAR2(F)
- Vars
- S(a);N_GUARD::R1(D),XS(a)
- Refutation
- S(i);
- Try
- Q(F);CHECK
- Vars
- K(d);S_FLIGHT::R(D)
- Refutation
- S(a);XQ(F)
- Try
- P(B);
- Threat
- QAR2(F)
- Vars
- S(a);N_GUARD::R1(D),XS(a)
- Refutation
- S(a);
- Try
- Actual
- S(G);
- Threat
- QAR2(F)
- Vars
- R(h);N_GUARD,XR(M)::QAR1(F)
- S(a);N_GUARD::R1(D),XS(a)
- S(i);N_GUARD::S(G),XS(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).