MESON Chess Problem Database
Problem Display
PID: 156856 (1r6/PPk1P3/K2N2R1/8/2p2Nn1/2pb1Q1B/7B/3R2r1 w - - 0 1)
Bruch, Wieland
4th Prize, Troll, 2013-2014
#2
11 + 7
| 23 | Die Schwalbe | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Rxb7
- 2.Qxb7#
- 1...Rc8
- 2.bxc8Q#
- 1...Bb1
- 2.Sb5#
- 1...Bf1
- 2.Sb5#
- 1...Bc2
- 2.Sb5#
- 1...Be2
- 2.Sb5#
- 1...Be4
- 2.Sb5#
- 1...Bf5
- 2.Sb5#
- 1...Bxg6
- 2.Sb5#
- 1...Sf2
- 2.Sb5#
- 1...Sxh2
- 2.Sb5#
- 1...Se3
- 2.Sb5#
- 1...Se5
- 2.Sb5#
- 1...Sf6
- 2.Sb5#
- 1...Sh6
- 2.Sb5#
- 1...Rxb7
- Tries
- 1.Sd5+?
- 1...Kd7
- 2.axb8S#
- 1...Kc6!
- 1...Kd7
- 1.Se8+?
- 1...Rxe8
- 2.Qc6#
- 1...Kd7!
- 1...Rxe8
- 1.Bxg4?
- threat
- 2.Sb5#
- 1...Rxb7
- 2.Se8#
- 2.Qxb7#
- 1...Rxg4!
- threat
- 1.Qd5?
- threat
- 2.Sb5#
- 1...Rxb7
- 2.Qxb7#
- 1...Kd7!
- threat
- 1.axb8Q+?
- 1...Kd7
- 2.Qd8#
- 2.e8Q#
- 1...Kxb8!
- 1...Kd7
- 1.axb8B+?
- 1...Kd7
- 2.e8Q#
- 1...Kxb8!
- 1...Kd7
- 1.e8Q?
- threat
- 2.Sd5#
- 2.Se6#
- 2.Sb5#
- 2.Qfc6#
- 2.Qe7#
- 2.axb8Q#
- 2.axb8B#
- 1...Rxd1
- 2.Sd5#
- 2.Se6#
- 2.Sb5#
- 2.Qfc6#
- 2.Qe7#
- 2.axb8Q#
- 2.axb8B#
- 1...Rxb7
- 2.Sd5#
- 2.Se6#
- 2.Qfc6#
- 2.Qxb7#
- 2.Qe7#
- 2.Qc8#
- 2.a8S#
- 1...Bxg6
- 2.Sd5#
- 2.Se6#
- 2.Sb5#
- 2.Qfc6#
- 2.Qe7#
- 2.axb8Q#
- 2.axb8B#
- 1...Sxh2
- 2.Sd5#
- 2.Sb5#
- 2.Qfc6#
- 2.Qd7#
- 2.Qe7#
- 2.Qxb8#
- 2.axb8Q#
- 2.axb8B#
- 1...Be4
- 2.Se6#
- 2.Sb5#
- 2.Rg7#
- 2.axb8Q#
- 2.axb8B#
- 1...Rf1
- 2.Sd5#
- 2.Se6#
- 2.Sb5#
- 2.Qfc6#
- 2.Qe7#
- 2.axb8Q#
- 2.axb8B#
- 1...Rh1
- 2.Sd5#
- 2.Se6#
- 2.Sb5#
- 2.Qfc6#
- 2.Qe7#
- 2.axb8Q#
- 2.axb8B#
- 1...Rg2
- 2.Sd5#
- 2.Se6#
- 2.Sb5#
- 2.Qfc6#
- 2.Qe7#
- 2.axb8Q#
- 2.axb8B#
- 1...Rg3
- 2.Sd5#
- 2.Sb5#
- 2.Qfc6#
- 2.Qe7#
- 2.axb8Q#
- 2.axb8B#
- 1...Ra8
- 2.Sd5#
- 2.Se6#
- 2.Sb5#
- 2.Qfc6#
- 2.Qe7#
- 2.bxa8S#
- 1...Rc8
- 2.Sd5#
- 2.Se6#
- 2.Sb5#
- 2.Qfc6#
- 2.Qe7#
- 2.Qxc8#
- 2.bxc8Q#
- 2.bxc8R#
- 1...Rd8
- 2.Sd5#
- 2.Se6#
- 2.Sb5#
- 2.Qfc6#
- 2.Qec6#
- 1...Bb1
- 2.Sd5#
- 2.Se6#
- 2.Sb5#
- 2.Rg7#
- 2.Qfc6#
- 2.Qe7#
- 2.axb8Q#
- 2.axb8B#
- 1...Bf1
- 2.Sd5#
- 2.Se6#
- 2.Sb5#
- 2.Rg7#
- 2.Qfc6#
- 2.Qe7#
- 2.axb8Q#
- 2.axb8B#
- 1...Bc2
- 2.Sd5#
- 2.Se6#
- 2.Sb5#
- 2.Rg7#
- 2.Qfc6#
- 2.Qe7#
- 2.axb8Q#
- 2.axb8B#
- 1...Be2
- 2.Sd5#
- 2.Se6#
- 2.Sb5#
- 2.Rg7#
- 2.Qfc6#
- 2.Qe7#
- 2.axb8Q#
- 2.axb8B#
- 1...Sf2
- 2.Sd5#
- 2.Se6#
- 2.Sb5#
- 2.Qfc6#
- 2.Qd7#
- 2.Qe7#
- 2.Qxb8#
- 2.axb8Q#
- 2.axb8B#
- 1...Se3
- 2.Se6#
- 2.Sb5#
- 2.Qfc6#
- 2.Qd7#
- 2.Qe7#
- 2.Qxb8#
- 2.axb8Q#
- 2.axb8B#
- 1...Se5
- 2.Sd5#
- 2.Sb5#
- 2.Qxb8#
- 2.axb8Q#
- 2.axb8B#
- 1...Sh6
- 2.Sd5#
- 2.Se6#
- 2.Sb5#
- 2.Qfc6#
- 2.Qd7#
- 2.Qe7#
- 2.Qxb8#
- 2.axb8Q#
- 2.axb8B#
- 1...c2
- 2.Sd5#
- 2.Se6#
- 2.Sb5#
- 2.Qfc6#
- 2.Qe7#
- 2.axb8Q#
- 2.axb8B#
- 1...Rxe8!
- threat
- 1.Sd5+?
- Keys
- 1.Sc8!
- threat
- 2.Qc6#
- 1...Kd7
- 2.Qc6#
- 1...Bxg6
- 2.Se6#
- 1...Be4
- 2.e8S#
- 1...Se5
- 2.Sd5#
- 1...Sf6
- 2.Sg2#
- threat
- 1.Sc8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 4
- ADDED MATES = 1
- REMOVED MATES = 11
- Sets
- R(g);OGATE,XP(J)::QAR1(C),XR(g)
- R(g);OGATE::PXR(g)=Q
- B(c);::S(G)
- B(c);XR(H)::S(G)
- S(e);::S(G)
- S(e);XB(B)::S(G)
- Tries
- Try
- S(E);CHECK
- Vars
- K(f);P-FLIGHT,P_SPINS(e)::PXR(g)=S
- Refutation
- K(f);P-FLIGHT
- Try
- S(G);CHECK
- Vars
- R(g);XS(G)::QAR1(C)
- Refutation
- K(f);P-FLIGHT,P_SPINB(c),P_SPINS(e)
- Try
- B(D);XS(e)
- Threat
- S(G)
- Refutation
- R(a);XB(D)
- Try
- Q(C);
- Threat
- S(G)
- Vars
- R(g);OGATE,XP(J)::QAR1(C),XR(g)
- Refutation
- K(f);P-FLIGHT,P_SPINS(e)
- Try
- P(I);CHECK,XR(g)
- Refutation
- K(f);S_FLIGHT,XQ(I)
- Try
- P(I);CHECK,XR(g)
- Vars
- K(f);P-FLIGHT,P_SPINS(e)::P=Q
- Refutation
- K(f);S_FLIGHT,XB(I)
- Try
- P(K);
- Threat
- DUALS(7)
- Refutation
- R(g);XQ(K)
- Try
- Actual
- S(G);
- Threat
- QAR1(C)
- Vars
- K(f);P-FLIGHT,P_SPINB(c),P_SPINS(e)::QAB1(C)
- B(c);XR(H)::B(B)+S(E),DCHECK
- B(c);::P=S
- S(e);::S(E)
- S(e);N_GUARD::B(B)+S(E)
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).