MESON Chess Problem Database
Problem Display
PID: 99201 (4r1q1/1p6/2p5/N2n1Qb1/1PBkn2R/K1R5/N1b1PP2/2r5 w - - 0 1)
Kanonik, Dimitry Kirillovich
Magyar Sakkelet, 1958
#2
10 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bb1
- 2.Sb3#
- 1...Bd1
- 2.Rd3#
- 1...Bb3
- 2.Sxb3#
- 2.Rd3#
- 1...Bd3
- 2.Sb3#
- 2.Rxd3#
- 1...Ba4
- 2.Rd3#
- 1...Sxc3
- 2.Qc5#
- 1...Se3
- 2.Qc5#
- 1...Sf4
- 2.e3#
- 1...Sb6
- 2.Qc5#
- 1...Sf6
- 2.Qc5#
- 1...Sc7
- 2.Qc5#
- 1...Se7
- 2.Qc5#
- 1...b5
- 2.Sxc6#
- 1...b6
- 2.Sxc6#
- 1...Bb1
- Tries
- 1.Bb3?
- threat
- 2.Rc4#
- 1...Bxb3
- 2.Sxb3#
- 2.Rd3#
- 1...Sxc3
- 2.Qc5#
- 1...Sxb4
- 2.Qc5#
- 1...Bd1
- 2.Rd3#
- 1...Bd3
- 2.Rxd3#
- 1...Se3
- 2.Qc5#
- 1...Sf4
- 2.e3#
- 1...Sb6
- 2.Qc5#
- 1...Sf6
- 2.Qc5#
- 1...Sc7
- 2.Qc5#
- 1...Se7
- 2.Qc5#
- 1...b5
- 2.Sxc6#
- 1...Bb1!
- threat
- 1.Bb5?
- threat
- 2.Rc4#
- 1...Sxc3
- 2.Qc5#
- 1...Sxb4
- 2.Qc5#
- 1...Bb1
- 2.Sb3#
- 1...Bd1
- 2.Rd3#
- 1...Bb3
- 2.Sxb3#
- 2.Rd3#
- 1...Bd3
- 2.Sb3#
- 2.Rxd3#
- 1...Ba4
- 2.Rd3#
- 1...Se3
- 2.Qc5#
- 1...Sf4
- 2.e3#
- 1...Sb6
- 2.Qc5#
- 1...Sf6
- 2.Qc5#
- 1...Sc7
- 2.Qc5#
- 1...Se7
- 2.Qc5#
- 1...cxb5!
- threat
- 1.Rxe4+?
- 1...Bxe4
- 2.Sb3#
- 1...Rxe4!
- 1...Bxe4
- 1.e3+?
- 1...Sxe3
- 2.Qc5#
- 1...Bxe3!
- 1...Sxe3
- 1.Bb3?
- Keys
- 1.Ba6!
- threat
- 2.Rc4#
- 1...Sxc3
- 2.Qc5#
- 1...Sxb4
- 2.Qc5#
- 1...Bb1
- 2.Sb3#
- 1...Bd1
- 2.Rd3#
- 1...Bb3
- 2.Sxb3#
- 2.Rd3#
- 1...Bd3
- 2.Sb3#
- 2.Rxd3#
- 1...Ba4
- 2.Rd3#
- 1...Se3
- 2.Qc5#
- 1...Sf4
- 2.e3#
- 1...Sb6
- 2.Qc5#
- 1...Sf6
- 2.Qc5#
- 1...Sc7
- 2.Qc5#
- 1...Se7
- 2.Qc5#
- 1...b5
- 2.Sxc6#
- threat
- 1.Ba6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- B(b);N_GUARD::S(I)
- B(b);N_GUARD::R1(E)
- S(e);OGATE,XR(E)::QAB1(J)
- S(e);OGATE::QAB1(J)
- S(e);N_GUARD,N_SPINS(d),S_CUTB(f)::P(B)
- P(h);N_GUARD::S(I),XP(g)
- Tries
- Try
- B(G);
- Threat
- R1(E)
- Vars
- S(e);OGATE,XR(E)::QAB1(J)
- S(e);OGATE,XP(F)::QAB1(J)
- B(b);N_GUARD::R1(E)
- B(b);N_GUARD::R1(E),XB(b)
- S(e);OGATE::QAB1(J)
- S(e);N_GUARD,N_SPINS(d),S_CUTB(f)::P(B)
- P(h);N_GUARD::S(I),XP(g)
- Refutation
- B(b);
- Try
- B(G);
- Threat
- R1(E)
- Vars
- S(e);OGATE,XR(E)::QAB1(J)
- S(e);OGATE,XP(F)::QAB1(J)
- B(b);N_GUARD::S(I)
- B(b);N_GUARD::R1(E)
- S(e);OGATE::QAB1(J)
- S(e);N_GUARD,N_SPINS(d),S_CUTB(f)::P(B)
- Refutation
- P(g);XB(G)
- Try
- R(H);CHECK,XS(d)
- Vars
- B(b);XR(H)::S(I)
- Refutation
- R(i);XR(H)
- Try
- P(B);CHECK
- Vars
- S(e);OGATE,XP(B)::QAB1(J)
- Refutation
- B(f);XP(B)
- Try
- Actual
- B(G);
- Threat
- R1(E)
- Vars
- S(e);OGATE,XR(E)::QAB1(J)
- S(e);OGATE,XP(F)::QAB1(J)
- B(b);N_GUARD::S(I)
- B(b);N_GUARD::R1(E)
- S(e);OGATE::QAB1(J)
- S(e);N_GUARD,N_SPINS(d),S_CUTB(f)::P(B)
- P(h);N_GUARD::S(I),XP(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).