MESON Chess Problem Database
Problem Display
PID: 67361 (2b1Q1n1/2r5/3Np3/2B1kBP1/1N6/r1n3P1/3R4/b3K3 w - - 0 1)
Pachl, Franz
Sp. Prize, Problem-Forum, 2001
#2
9 + 8
| 23 | Die Schwalbe | 2006 |
| 56 | The Problemist | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Rc6
- 2.Sxc6#
- 1...Ra7
- 2.Sc6#
- 1...Rb7
- 2.Sc6#
- 1...Rd7
- 2.Sc6#
- 2.Qxe6#
- 1...Re7
- 2.Sc6#
- 1...Rf7
- 2.Sc6#
- 1...Rg7
- 2.Sc6#
- 1...Rh7
- 2.Sc6#
- 1...Ba6
- 2.Qxe6#
- 1...Bb7
- 2.Qxe6#
- 1...Sb1
- 2.Rd5#
- 1...Sd1
- 2.Rd5#
- 1...Sa2
- 2.Rd5#
- 1...Se2
- 2.Rd5#
- 1...Sa4
- 2.Rd5#
- 1...Se4
- 2.Rd5#
- 1...Sb5
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Se7
- 2.Qh8#
- 1...Rc6
- Tries
- 1.Be3?
- threat
- 2.Bf4#
- 1...Sd5
- 2.Rxd5#
- 1...Se2
- 2.Rd5#
- 1...Rc4!
- threat
- 1.Bb1?
- threat
- 2.Sc4#
- 1...Rxc5
- 2.Sf7#
- 1...Sxb1
- 2.Rd5#
- 1...Se4
- 2.Rd5#
- 1...Ba6!
- threat
- 1.Bc2?
- threat
- 2.Sc4#
- 1...Rxc5
- 2.Sf7#
- 1...Se4
- 2.Rd5#
- 1...Ba6!
- threat
- 1.Bg6?
- threat
- 2.Sc4#
- 1...Rxc5
- 2.Sf7#
- 1...Ba6!
- threat
- 1.Bh7?
- threat
- 2.Sc4#
- 1...Rxc5
- 2.Sf7#
- 1...Rxh7
- 2.Sc6#
- 1...Ba6!
- threat
- 1.Re2+?
- 1...Se4
- 2.Rxe4#
- 1...Sxe2!
- 1...Se4
- 1.Rf2?
- threat
- 2.Sc4#
- 1...Ba6
- 2.Qxe6#
- 1...Rxc5!
- threat
- 1.Rd4?
- threat
- 2.Sd3#
- 1...Ba6
- 2.Qxe6#
- 1...Sb1
- 2.Re4#
- 2.Rd5#
- 1...Sd1
- 2.Re4#
- 2.Rd5#
- 1...Sa2
- 2.Re4#
- 2.Rd5#
- 1...Se2
- 2.Re4#
- 2.Rd5#
- 1...Sa4
- 2.Re4#
- 2.Rd5#
- 1...Se4
- 2.Rxe4#
- 2.Rd5#
- 1...Sb5
- 2.Re4#
- 2.Rd5#
- 1...Sd5
- 2.Re4#
- 2.Rxd5#
- 1...Rxc5!
- threat
- 1.Qc6?
- threat
- 2.Sd3#
- 2.Bd4#
- 1...Rxc6
- 2.Sxc6#
- 1...exf5
- 2.Sc4#
- 1...Ba6
- 2.Bd4#
- 1...Sb1
- 2.Qe4#
- 1...Sd1
- 2.Qe4#
- 1...Sa2
- 2.Qe4#
- 1...Se2
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sb5
- 2.Qe4#
- 1...Sd5!
- threat
- 1.Qf7?
- threat
- 2.Sc4#
- 1...Rxf7
- 2.Sc6#
- 1...exf5
- 2.Sd3#
- 1...Ba6
- 2.Qxe6#
- 1...Sf6
- 2.Qxf6#
- 1...Rxc5!
- threat
- 1.Qxc8?
- threat
- 2.Qxe6#
- 1...exf5
- 2.Qxf5#
- 1...Rd7
- 2.Sc6#
- 1...Re7
- 2.Sc6#
- 1...Rxc8!
- threat
- 1.Be3?
- Keys
- 1.Qg6!
- threat
- 2.Sc4#
- 1...Rxc5
- 2.Sf7#
- 1...exf5
- 2.Bd4#
- 1...Ba6
- 2.Qxe6#
- threat
- 1.Qg6!
This is a version
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 17
- Sets
- R(f);N_GUARD::S(D),XR(f)
- R(f);N_GUARD::S(D)
- R(f);N_GUARD,N_SPINP(e)::S(D)
- B(g);N_GUARD::QAR1(I),XP(e)
- S(c);N_GUARD::R1(B)
- S(c);N_GUARD::R1(B),XS(c)
- S(h);N_SPINP(e),OGATE::QAB(I)
- Tries
- Try
- B(E);
- Threat
- B(E)
- Vars
- S(c);N_GUARD::R1(B),XS(c)
- S(c);N_GUARD::R1(B)
- Refutation
- R(f);
- Try
- B(F);
- Threat
- S(H)
- Vars
- R(f);N_GUARD,XB(E)::S(H)
- S(c);N_GUARD,XB(F)::R1(B)
- S(c);N_GUARD::R1(B)
- Refutation
- B(g);
- Try
- B(F);
- Threat
- S(H)
- Vars
- R(f);N_GUARD,XB(E)::S(H)
- S(c);N_GUARD::R1(B)
- Refutation
- B(g);
- Try
- B(F);
- Threat
- S(H)
- Vars
- R(f);N_GUARD,XB(E)::S(H)
- Refutation
- B(g);
- Try
- B(F);
- Threat
- S(H)
- Vars
- R(f);N_GUARD,XB(E)::S(H)
- R(f);N_GUARD,XB(F)::S(D)
- Refutation
- B(g);
- Try
- R(B);CHECK
- Vars
- S(c);N_GUARD,P_SPINS(c)::R1(B),XS(c)
- Refutation
- S(c);XR(B)
- Try
- R(B);
- Threat
- S(H)
- Vars
- B(g);N_GUARD::QAR1(I),XP(e)
- Refutation
- R(f);XB(E)
- Try
- R(B);
- Threat
- S(D)
- Vars
- B(g);N_GUARD::QAR1(I),XP(e)
- Refutation
- R(f);XB(E)
- Try
- Q(I);N_PINP(e)
- Threat
- DUALS(2)
- Vars
- R(f);XQ(I)::S(D),XR(f)
- P(e);SBLOCK,XB(F)::S(H)
- B(g);::B(E)
- S(c);N_GUARD::QAR1(I)
- S(c);N_GUARD::QAR1(I),XS(c)
- Refutation
- S(c);
- Try
- Q(I);N_PINP(e)
- Threat
- S(H)
- Vars
- R(f);N_GUARD,XQ(I)::S(D)
- P(e);XB(F)::S(D)
- B(g);N_GUARD::QAR1(I),XP(e)
- S(h);N_GUARD::QAB1(I),XS(h)
- Refutation
- R(f);XB(E)
- Try
- Q(I);N_PINP(e),XB(g)
- Threat
- QAR1(I),XP(e)
- Vars
- P(e);OGATE,XB(F)::QAR1(I),XP(e)
- R(f);N_GUARD::S(D)
- Refutation
- R(f);XQ(I)
- Try
- Actual
- Q(I);N_PINP(e)
- Threat
- S(H)
- Vars
- R(f);N_GUARD,XB(E)::S(H)
- P(e);XB(F)::B(E)
- B(g);N_GUARD::QAR1(I),XP(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).