MESON Chess Problem Database
Problem Display
PID: 136962 (2Q5/1p2R1p1/3N2p1/r1b1N1K1/r2kB3/1Rpp1Pp1/3P4/7n w - - 0 1)
Janevski, Zivko
Liga Problemista, 1982/4
#2
9 + 11
| 6490 | yacpdb | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Rb5
- 2.Sxb5#
- 1...Ra6
- 2.Sb5#
- 1...Ra7
- 2.Sb5#
- 1...Ra8
- 2.Sb5#
- 1...Ba3
- 2.Qxc3#
- 1...Bb4
- 2.Qc4#
- 1...Bb6
- 2.Qxc3#
- 1...Bxd6
- 2.Qxc3#
- 1...Ba7
- 2.Qxc3#
- 1...cxd2
- 2.Rxd3#
- 1...c2
- 2.Rxd3#
- 1...b5
- 2.Sc6#
- 1...b6
- 2.Sc6#
- 1...Rb5
- Tries
- 1.Kxg6?
- threat
- 2.Sf5#
- 1...Bxd6
- 2.Qxc3#
- 1...Ra6!
- threat
- 1.Bxb7?
- threat
- 2.Qg4#
- 1...Bxd6
- 2.Qxc3#
- 1...cxd2
- 2.Rxd3#
- 1...Ba3
- 2.Qxc3#
- 1...Bb4
- 2.Qc4#
- 1...Bb6
- 2.Qxc3#
- 1...Ba7
- 2.Qxc3#
- 1...Sf2!
- threat
- 1.Rxc3?
- threat
- 2.Rxd3#
- 1...Ra3
- 2.Rc4#
- 1...Sf2!
- threat
- 1.Rb4+?
- 1...Bxb4
- 2.Qc4#
- 1...Rxb4!
- 1...Bxb4
- 1.Rb5?
- threat
- 2.Qxc5#
- 1...Rxb5
- 2.Sxb5#
- 1...Bxd6
- 2.Qxc3#
- 1...Ba3
- 2.Qxc3#
- 1...Bb4
- 2.Qc4#
- 1...Bb6
- 2.Qxc3#
- 1...Ba7
- 2.Qxc3#
- 1...b6
- 2.Sc6#
- 1...Rc4!
- threat
- 1.Rbxb7?
- threat
- 2.Sc6#
- 1...Bxd6
- 2.Qxc3#
- 1...Ra6
- 2.Sb5#
- 1...Ba3
- 2.Qxc3#
- 1...Bb4
- 2.Qc4#
- 1...Bb6
- 2.Qxc3#
- 1...Ba7
- 2.Qxc3#
- 1...cxd2!
- threat
- 1.f4?
- threat
- 2.Sf3#
- 1...cxd2
- 2.Rxd3#
- 1...Ba3
- 2.Qxc3#
- 1...Bb4
- 2.Qc4#
- 1...Bb6
- 2.Qxc3#
- 1...Ba7
- 2.Qxc3#
- 1...Bxd6!
- threat
- 1.Kxg6?
- Keys
- 1.Qc6!
- threat
- 2.Qd5#
- 1...Bxd6
- 2.Qxc3#
- 1...cxd2
- 2.Rxd3#
- 1...bxc6
- 2.Sxc6#
- 1...Ba3
- 2.Qxc3#
- 1...Bb4
- 2.Qc4#
- 1...Bb6
- 2.Qxc3#
- 1...Ba7
- 2.Qxc3#
- threat
- 1.Qc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 7
- Sets
- R(g);N_GUARD::S(G),XR(g)
- R(g);N_GUARD::S(G)
- B(h);OGATE,P_PINS(E)::QAB1(I),XP(b)
- B(h);OGATE,P_PINS(E)::QAR1(I)
- B(h);OGATE,P_PINS(E),XS(G)::QAB1(I),XP(b)
- P(b);OGATE,XP(A)::R1(B),XP(c)
- P(b);OGATE::R1(B),XP(c)
- P(j);N_GUARD::S(E)
- Tries
- Try
- K(F);P-FLIGHT,XP(i)
- Threat
- S(G)
- Vars
- B(h);OGATE,XS(G)::QAB1(I),XP(b)
- Refutation
- R(g);P_PINS(G)
- Try
- B(D);XP(j)
- Threat
- QAR(I)
- Vars
- B(h);OGATE,P_PINS(E),XS(G)::QAB1(I),XP(b)
- P(b);OGATE,XP(A)::R1(B),XP(c)
- B(h);OGATE,P_PINS(E)::QAB1(I),XP(b)
- B(h);OGATE,P_PINS(E)::QAR1(I)
- Refutation
- S(a);
- Try
- R(B);XP(b)
- Threat
- R1(B),XP(c)
- Vars
- R(e);N_GUARD::R1(B)
- Refutation
- S(a);
- Try
- R(B);CHECK
- Vars
- B(h);OGATE,P_PINS(E),XR(B)::QAR1(I)
- Refutation
- R(e);XR(B)
- Try
- R(B);
- Threat
- QAB1(I),XB(h)
- Vars
- R(g);XR(B)::S(G),XR(g)
- B(h);OGATE,XS(G)::QAB1(I),XP(b)
- B(h);OGATE::QAB1(I),XP(b)
- B(h);OGATE::QAR1(I)
- P(j);N_GUARD::S(E)
- Refutation
- R(e);
- Try
- R(B);XP(j)
- Threat
- S(E)
- Vars
- B(h);OGATE,P_PINS(E),XS(G)::QAB1(I),XP(b)
- R(g);N_GUARD::S(G)
- B(h);OGATE,P_PINS(E)::QAB1(I),XP(b)
- B(h);OGATE,P_PINS(E)::QAR1(I)
- Refutation
- P(b);XP(A)
- Try
- P(C);
- Threat
- S(E)
- Vars
- P(b);OGATE,XP(A)::R1(B),XP(c)
- B(h);OGATE,P_PINS(E)::QAB1(I),XP(b)
- B(h);OGATE,P_PINS(E)::QAR1(I)
- Refutation
- B(h);P_PINS(E),XS(G)
- Try
- Actual
- Q(I);
- Threat
- QAR1(I)
- Vars
- B(h);OGATE,P_PINS(E),XS(G)::QAB1(I),XP(b)
- P(b);OGATE,XP(A)::R1(B),XP(c)
- P(j);XQ(I)::S(E),XP(j)
- B(h);OGATE,P_PINS(E)::QAB1(I),XP(b)
- B(h);OGATE,P_PINS(E)::QAR1(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).