MESON Chess Problem Database
Problem Display
PID: 148323 (4Nn1b/1B1b4/p6r/K1BP1Rp1/2k1p3/1Np1Qpn1/2P5/8 w - - 0 1)
Ahues, Herbert Siegfried Oskar
6th Prize, Die Schwalbe, 2012
#2
9 + 11
| 23 | Die Schwalbe | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Sd6#
- 1...Rh2
- 2.Sd6#
- 1...Rh3
- 2.Sd6#
- 1...Rh4
- 2.Sd6#
- 1...Rh5
- 2.Sd6#
- 1...Rd6
- 2.Sxd6#
- 1...Rf6
- 2.Qd4#
- 1...Rh7
- 2.Sd6#
- 1...Be6
- 2.Sd6#
- 2.Bxa6#
- 1...Bd4
- 2.Qxd4#
- 1...Bf6
- 2.Sd6#
- 1...Se6
- 2.Sd6#
- 1...Sg6
- 2.Sd6#
- 1...Rh1
- Tries
- 1.Ba3?
- threat
- 2.Qc5#
- 1...Bd4
- 2.Qxd4#
- 1...Se6
- 2.Sd6#
- 1...Rc6!
- threat
- 1.Bb4?
- threat
- 2.Qc5#
- 1...Bd4
- 2.Qxd4#
- 1...Se6
- 2.Sd6#
- 1...Rc6!
- threat
- 1.Bd4?
- threat
- 2.Qxc3#
- 1...Bxd4
- 2.Qxd4#
- 1...Se2!
- threat
- 1.Bd6?
- threat
- 2.Qc5#
- 1...Bd4
- 2.Qxd4#
- 1...Se6!
- threat
- 1.Ba7?
- threat
- 2.Qc5#
- 1...Bd4
- 2.Qxd4#
- 1...Se6
- 2.Sd6#
- 1...Rc6!
- threat
- 1.Be7?
- threat
- 2.Qc5#
- 1...Bd4
- 2.Qxd4#
- 1...Se6
- 2.Sd6#
- 1...Rc6!
- threat
- 1.Bxf8?
- threat
- 2.Qc5#
- 1...Bd4
- 2.Qxd4#
- 1...Rc6!
- threat
- 1.Bxa6+?
- 1...Bb5
- 2.Bxb5#
- 1...Rxa6+!
- 1...Bb5
- 1.Rf4?
- threat
- 2.Qd3#
- 1...Bd4
- 2.Qxd4#
- 1...gxf4!
- threat
- 1.Rf6?
- threat
- 2.Sd6#
- 2.Qd4#
- 1...Rxf6
- 2.Qd4#
- 1...Bxe8
- 2.Qd4#
- 1...Bxf6
- 2.Sd6#
- 1...Bc6
- 2.Qd4#
- 1...Se2
- 2.Sd6#
- 1...Se6
- 2.Sd6#
- 1...Sf5!
- threat
- 1.Qxe4+?
- 1...Bd4
- 2.Qd3#
- 2.Qxd4#
- 1...Sxe4!
- 1...Bd4
- 1.Ba3?
- Keys
- 1.Bb6!
- threat
- 2.Qc5#
- 1...Rc6
- 2.Bxa6#
- 1...Bd4
- 2.Qxd4#
- 1...Se6
- 2.Sd6#
- threat
- 1.Bb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 10
- Sets
- R(h);N_GUARD::S(I)
- R(h);N_GUARD::S(I),XR(h)
- R(h);S_CUTB(k)::QAR1(C)
- B(k);N_GUARD::QAR1(C),XB(k)
- B(k);S_CUTR(h)::S(I)
- S(j);S_CUTR(h)::S(I)
- Tries
- Try
- B(E);
- Threat
- QAR1(C)
- Vars
- B(k);N_GUARD::QAR1(C),XB(k)
- S(j);S_CUTR(h)::S(I)
- Refutation
- R(h);
- Try
- B(E);
- Threat
- QAR1(C)
- Vars
- B(k);N_GUARD::QAR1(C),XB(k)
- S(j);S_CUTR(h)::S(I)
- Refutation
- R(h);
- Try
- B(E);
- Threat
- QAR1(C),XP(a)
- Vars
- B(k);OGATE,XB(E)::QAR1(C),XB(k)
- Refutation
- S(c);
- Try
- B(E);
- Threat
- QAR1(C)
- Vars
- B(k);N_GUARD::QAR1(C),XB(k)
- Refutation
- S(j);
- Try
- B(E);
- Threat
- QAR1(C)
- Vars
- B(k);N_GUARD::QAR1(C),XB(k)
- S(j);S_CUTR(h)::S(I)
- Refutation
- R(h);
- Try
- B(E);
- Threat
- QAR1(C)
- Vars
- B(k);N_GUARD::QAR1(C),XB(k)
- S(j);S_CUTR(h)::S(I)
- Refutation
- R(h);
- Try
- B(E);XS(j)
- Threat
- QAR1(C)
- Vars
- B(k);N_GUARD::QAR1(C),XB(k)
- Refutation
- R(h);
- Try
- B(H);CHECK,XP(g)
- Vars
- B(i);N_GUARD,P_SPINB(i)::B(H),XB(i)
- Refutation
- R(h);CHECK,XB(H)
- Try
- R(G);P_PINP(e)
- Threat
- QAB1(C)
- Vars
- B(k);N_GUARD,N_SPINP(e)::QAR1(C),XB(k)
- Refutation
- P(f);N_SPINP(e),XR(G)
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- R(h);XR(G)::QAR1(C)
- B(i);XS(I)::QAR1(C)
- B(k);XR(G)::S(I)
- B(i);::QAR1(C)
- S(c);::S(I)
- S(j);::S(I)
- Refutation
- S(c);
- Try
- Q(C);CHECK,XP(e)
- Refutation
- S(c);XQ(C)
- Try
- Actual
- B(E);
- Threat
- QAR1(C)
- Vars
- R(h);S_CUTB(i)::B(H),XP(g)
- B(k);N_GUARD::QAR1(C),XB(k)
- S(j);S_CUTR(h)::S(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).