MESON Chess Problem Database
Problem Display
PID: 145843 (N1bn1B1b/p1Q1r3/P5n1/1P1k4/p3R3/K1p1PP1B/3N4/8 w - - 0 1)
Maleika, Gerhard
Heilbronner Stimme, 2010
#2
11 + 9
| 23 | Die Schwalbe | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Rxe4
- 2.Qd6#
- 2.Qc5#
- 2.fxe4#
- 1...Re5
- 2.Rd4#
- 2.Qd6#
- 2.Qc4#
- 2.Qc5#
- 1...Re6
- 2.Qc4#
- 2.Qc5#
- 1...Rxc7
- 2.Sxc7#
- 1...Rd7
- 2.Qc4#
- 2.Qc5#
- 1...Rf7
- 2.Qd6#
- 2.Qc4#
- 2.Qc5#
- 1...Rg7
- 2.Rd4#
- 2.Qd6#
- 2.Qc4#
- 2.Qc5#
- 1...Rh7
- 2.Qd6#
- 2.Qc4#
- 2.Qc5#
- 1...Re8
- 2.Qd6#
- 2.Qc4#
- 2.Qc5#
- 1...Bd4
- 2.Rxd4#
- 1...Se5
- 2.Rd4#
- 1...Sc6
- 2.Qxc6#
- 1...Se6
- 2.Qc6#
- 1...Sb7
- 2.Qc6#
- 1...Sf7
- 2.Qc6#
- 1...Rxe4
- Tries
- 1.Sb3?
- threat
- 2.Qc5#
- 1...Rxc7
- 2.Sxc7#
- 1...Bd4
- 2.Rxd4#
- 1...Sc6
- 2.Qxc6#
- 1...Se6
- 2.Qc6#
- 1...Sb7
- 2.Qc6#
- 1...axb3!
- threat
- 1.Sc4?
- threat
- 2.Qd6#
- 1...Rxe4
- 2.Qc5#
- 1...Rxc7
- 2.Sxc7#
- 1...Re6
- 2.Qc5#
- 1...Rd7
- 2.Qc5#
- 1...Bd4
- 2.Rxd4#
- 1...Sb7
- 2.Qc6#
- 1...Sf7
- 2.Qc6#
- 1...Be5!
- threat
- 1.Bf1?
- threat
- 2.Bc4#
- 1...Rxe4
- 2.Qd6#
- 1...Rxc7
- 2.Sxc7#
- 1...Sc6
- 2.Qxc6#
- 1...Se5!
- threat
- 1.Be6+?
- 1...Rxe6
- 2.Qc4#
- 2.Qc5#
- 1...Sxe6
- 2.Qc6#
- 1...Bxe6!
- 1...Rxe6
- 1.Bxe7?
- threat
- 2.Qd6#
- 2.Qc4#
- 2.Qc5#
- 1...Bd4
- 2.Rxd4#
- 2.Qd6#
- 2.Qc4#
- 1...Be5
- 2.Qc4#
- 2.Qc5#
- 1...Se5
- 2.Rd4#
- 2.Qd6#
- 2.Qc5#
- 1...Sc6
- 2.Qd6#
- 2.Qxc6#
- 1...Se6
- 2.Qd6#
- 2.Qc4#
- 2.Qc6#
- 1...Sb7
- 2.Qc4#
- 2.Qc6#
- 1...Sf7
- 2.Qc4#
- 2.Qc5#
- 2.Qc6#
- 1...Sxe7!
- threat
- 1.Qxe7?
- threat
- 2.Sc7#
- 2.Qc5#
- 2.Qd6#
- 1...Sxf8
- 2.Sc7#
- 1...Bd4
- 2.Sc7#
- 2.Rxd4#
- 2.Qd6#
- 1...Be5
- 2.Qc5#
- 1...Se6
- 2.Qd6#
- 1...Sb7
- 2.Sc7#
- 1...Sf7
- 2.Sc7#
- 2.Qc5#
- 1...Sxe7!
- threat
- 1.Sb3?
- Keys
- 1.Kb4!
- threat
- 2.Qc5#
- 1...Rxe4+
- 2.fxe4#
- 1...Sc6+
- 2.Qxc6#
- 1...Rxc7
- 2.Sxc7#
- 1...Bd4
- 2.Rxd4#
- 1...Se6
- 2.Qc6#
- 1...Sb7
- 2.Qc6#
- threat
- 1.Kb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- R(f);XQ(I)::S(J),XR(f)
- B(i);N_GUARD::R1(F),XB(i)
- S(d);S_CUTB(i)::R1(F)
- S(h);N_GUARD::QAB1(I),XS(h)
- S(h);N_GUARD::QAB1(I)
- Tries
- Try
- S(A);
- Threat
- QAR1(I)
- Vars
- R(f);XQ(I)::S(J),XR(f)
- B(i);N_GUARD::R1(F),XB(i)
- S(h);N_GUARD::QAB1(I),XS(h)
- S(h);N_GUARD::QAB1(I)
- Refutation
- P(b);XS(A)
- Try
- S(A);
- Threat
- QAR1(I)
- Vars
- R(f);XR(F)::QAR1(I)
- R(f);XQ(I)::S(J),XR(f)
- R(f);::QAR1(I)
- B(i);N_GUARD::R1(F),XB(i)
- S(h);N_GUARD::QAB1(I)
- Refutation
- B(i);
- Try
- B(E);
- Threat
- B(E)
- Vars
- R(f);XR(F)::QAR1(I)
- R(f);XQ(I)::S(J),XR(f)
- S(h);N_GUARD::QAB1(I),XS(h)
- Refutation
- S(d);
- Try
- B(E);CHECK
- Vars
- S(h);XB(E)::QAB1(I)
- Refutation
- B(g);XB(E)
- Try
- B(K);XR(f)
- Threat
- DUALS(3)
- Refutation
- S(d);XB(K)
- Try
- Q(I);XR(f)
- Threat
- DUALS(3)
- Vars
- S(d);XB(K)::S(J)
- B(i);::QAR1(I)
- S(h);::QAR1(I)
- S(h);::S(J)
- Refutation
- S(d);XQ(I)
- Try
- Actual
- K(B);S_FLIGHT
- Threat
- QAR1(I)
- Vars
- R(f);CHECK,OGATE,XR(F)::P(D),XR(f)
- S(h);CHECK,N_GUARD::QAB1(I),XS(h)
- R(f);XQ(I)::S(J),XR(f)
- B(i);N_GUARD::R1(F),XB(i)
- S(h);N_GUARD::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).