MESON Chess Problem Database
Problem Display
PID: 141727 (8/5p1Q/B1p1N1n1/1NR5/2b1p2p/3kp3/1P2R3/5K2 w - - 0 1)
Burbach, Johannes Jacob
Sjakk-Nytt, 1947
#2
8 + 8
| 102 | Probleemblad | 1977 |
SOLUTION
- SOUND
- Sets
- 1...Ba2
- 2.Rc3#
- 1...Bb3
- 2.Rc3#
- 1...Bxb5
- 2.Rc3#
- 1...Bd5
- 2.Rc3#
- 1...Bxe6
- 2.Rc3#
- 1...Sf4
- 2.Sxf4#
- 1...Se5
- 2.Sf4#
- 1...Se7
- 2.Sf4#
- 1...Sf8
- 2.Sf4#
- 1...Sh8
- 2.Sf4#
- 1...Ba2
- Tries
- 1.Sa3?
- threat
- 2.Bxc4#
- 1...Bxa6
- 2.Rc3#
- 1...fxe6
- 2.Qd7#
- 1...Bb5
- 2.Rc3#
- 1...Se5!
- threat
- 1.Sd6?
- threat
- 2.Bxc4#
- 1...Bxa6
- 2.Rc3#
- 1...Se5
- 2.Qxe4#
- 1...Bb5
- 2.Rc3#
- 1...fxe6!
- threat
- 1.Sa7?
- threat
- 2.Bxc4#
- 1...Bxa6
- 2.Rc3#
- 1...fxe6
- 2.Qd7#
- 1...Bb5
- 2.Rc3#
- 1...Se5!
- threat
- 1.Sbc7?
- threat
- 2.Bxc4#
- 1...Bxa6
- 2.Rc3#
- 1...fxe6
- 2.Qd7#
- 1...Bb5
- 2.Rc3#
- 1...Se5!
- threat
- 1.Rxc4?
- threat
- 2.Rc3#
- 2.Rd4#
- 1...c5
- 2.Rc3#
- 1...Kxc4!
- threat
- 1.Rd5+?
- 1...cxd5
- 2.Sc5#
- 1...Bxd5!
- 1...cxd5
- 1.Rxc6?
- threat
- 2.Sc5#
- 1...Bxb5
- 2.Bxb5#
- 2.Rc3#
- 1...Bxe6
- 2.Rc3#
- 1...Ba2
- 2.Rc3#
- 1...Bb3
- 2.Rc3#
- 1...Bd5
- 2.Rc3#
- 1...fxe6!
- threat
- 1.Qg7?
- threat
- 2.Qc3#
- 2.Qd4#
- 1...Se5
- 2.Sf4#
- 1...f6!
- threat
- 1.Qh8?
- threat
- 2.Qc3#
- 2.Qd4#
- 1...Sxh8
- 2.Sf4#
- 1...Se5
- 2.Sf4#
- 1...f6!
- threat
- 1.Sa3?
- Keys
- 1.Qh6!
- threat
- 2.Qxe3#
- 1...Sf4
- 2.Sxf4#
- threat
- 1.Qh6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 9
- Sets
- B(c);OGATE::R1(E)
- B(c);OGATE,P_SPINB(c),XS(D)::R1(E)
- B(c);OGATE,XS(G)::R1(E)
- S(g);N_GUARD,P_SPINP(d)::S(G),XS(g)
- S(g);N_GUARD,P_SPINP(d)::S(G)
- Tries
- Try
- S(D);P_PINB(c)
- Threat
- B(F),XB(c)
- Vars
- B(c);N_SPINB(c),OGATE,XB(F)::R1(E)
- P(h);OGATE,XS(G)::QAR(H)
- B(c);OGATE::R1(E)
- Refutation
- S(g);P_SPINP(d)
- Try
- S(D);P_PINB(c)
- Threat
- B(F),XB(c)
- Vars
- B(c);N_SPINB(c),OGATE,XB(F)::R1(E)
- S(g);OGATE,P_SPINP(d)::QAB1(H),XP(d)
- B(c);OGATE::R1(E)
- Refutation
- P(h);XS(G)
- Try
- S(D);P_PINB(c)
- Threat
- B(F),XB(c)
- Vars
- B(c);N_SPINB(c),OGATE,XB(F)::R1(E)
- P(h);OGATE,XS(G)::QAR(H)
- B(c);OGATE::R1(E)
- Refutation
- S(g);P_SPINP(d)
- Try
- S(D);P_PINB(c)
- Threat
- B(F),XB(c)
- Vars
- B(c);N_SPINB(c),OGATE,XB(F)::R1(E)
- P(h);OGATE,XS(G)::QAR(H)
- B(c);OGATE::R1(E)
- Refutation
- S(g);P_SPINP(d)
- Try
- R(E);XB(c)
- Threat
- DUALS(2)
- Vars
- P(f);::R1(E)
- Refutation
- K(a);S_FLIGHT,XR(E)
- Try
- R(E);CHECK
- Vars
- P(f);XR(E)::S(G)
- Refutation
- B(c);XR(E)
- Try
- R(E);XP(f)
- Threat
- S(G)
- Vars
- B(c);OGATE,XS(G)::R1(E)
- B(c);OGATE::R1(E)
- Refutation
- P(h);XS(G)
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- S(g);N_GUARD::S(G)
- Refutation
- P(h);
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- S(g);N_GUARD,XQ(H)::S(G)
- S(g);N_GUARD::S(G)
- Refutation
- P(h);
- Try
- Actual
- Q(H);
- Threat
- QAR1(H),XP(b)
- Vars
- S(g);N_GUARD::S(G),XS(g)
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).