MESON Chess Problem Database
Problem Display
PID: 96239 (2bb4/7Q/1p1P1P2/pNkB4/KN2R3/PP4pp/1p3n1q/2rR4 w - - 0 1)
Aliovsadzade, Rauf Gadzhiaga ogli
Problemesis, 2005
#2
11 + 11
| 6490 | yacpdb | 2009 |
| 15148 | Sadier Collection | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Rc4#
- 1...Rb1
- 2.Rc4#
- 1...Rxd1
- 2.Rc4#
- 1...Rc4
- 2.Rxc4#
- 1...Bg4
- 2.Sa6#
- 1...Bf5
- 2.Sa6#
- 1...Ba6
- 2.Sxa6#
- 1...Be6
- 2.Sa6#
- 1...Bd7
- 2.Sa6#
- 1...Bxf6
- 2.Qc7#
- 1...Bc7
- 2.Qxc7#
- 1...axb4
- 2.axb4#
- 1...Ra1
- Tries
- 1.Bb7?
- threat
- 2.Sa6#
- 2.Rd5#
- 2.Re5#
- 1...Rxd1
- 2.Sa6#
- 2.Rc4#
- 1...Bxf6
- 2.Sa6#
- 2.Rd5#
- 2.Qc7#
- 1...Sxd1
- 2.Sd3#
- 2.Sa6#
- 2.Re5#
- 1...Sxe4
- 2.Sd3#
- 2.Sa6#
- 2.Rd5#
- 1...axb4
- 2.Rd5#
- 2.Re5#
- 2.axb4#
- 1...Qh1
- 2.Sa6#
- 2.Rd5#
- 1...Qg2
- 2.Sa6#
- 2.Rd5#
- 1...Rc4
- 2.Rd5#
- 2.Rxc4#
- 2.Re5#
- 1...Be6
- 2.Sa6#
- 1...Sd3
- 2.Sxd3#
- 2.Sa6#
- 1...Sg4
- 2.Sd3#
- 2.Sa6#
- 2.Rd5#
- 1...g2
- 2.Sa6#
- 2.Rd5#
- 1...Bxb7!
- threat
- 1.Ba8?
- threat
- 2.Rd5#
- 2.Re5#
- 1...Rxd1
- 2.Rc4#
- 1...Bxf6
- 2.Rd5#
- 2.Qc7#
- 1...Sxd1
- 2.Sd3#
- 2.Re5#
- 1...Sxe4
- 2.Sd3#
- 2.Rd5#
- 1...Be6
- 2.Sa6#
- 1...Qh1
- 2.Rd5#
- 1...Qg2
- 2.Rd5#
- 1...Sd3
- 2.Sxd3#
- 1...Sg4
- 2.Sd3#
- 2.Rd5#
- 1...g2
- 2.Rd5#
- 1...Bb7!
- threat
- 1.Re5?
- threat
- 2.Bh1#
- 2.Bg2#
- 2.Bf3#
- 2.Bc4#
- 2.Be4#
- 2.Bc6#
- 2.Be6#
- 2.Bb7#
- 2.Bf7#
- 2.Ba8#
- 2.Bg8#
- 1...Rxd1
- 2.Qc2#
- 1...Bxf6
- 2.Qc7#
- 1...axb4
- 2.Bh1#
- 2.Bg2#
- 2.Bf3#
- 2.Be4#
- 2.Bb7#
- 2.Ba8#
- 2.axb4#
- 1...Qh1
- 2.Bxh1#
- 2.Bg2#
- 2.Bf3#
- 2.Be4#
- 1...Qg2
- 2.Bxg2#
- 2.Bf3#
- 2.Be4#
- 1...Rc4
- 2.Bh1#
- 2.Bg2#
- 2.Bf3#
- 2.Bxc4#
- 2.Be4#
- 2.Bc6#
- 2.Be6#
- 2.Bb7#
- 2.Bf7#
- 2.Ba8#
- 2.Bg8#
- 1...Be6
- 2.Sa6#
- 2.Bxe6#
- 1...Bb7
- 2.Bc6#
- 2.Bxb7#
- 1...Sh1
- 2.Sd3#
- 2.Bxh1#
- 2.Bg2#
- 2.Bf3#
- 2.Bc4#
- 2.Be4#
- 2.Bc6#
- 2.Be6#
- 2.Bb7#
- 2.Bf7#
- 2.Ba8#
- 2.Bg8#
- 1...Sd3
- 2.Sxd3#
- 1...Se4
- 2.Sd3#
- 2.Bc4#
- 2.Bxe4#
- 2.Bc6#
- 2.Be6#
- 2.Bb7#
- 2.Bf7#
- 2.Ba8#
- 2.Bg8#
- 1...Sg4
- 2.Sd3#
- 1...g2!
- threat
- 1.Qb7?
- threat
- 2.Sa6#
- 2.Qc6#
- 1...axb4
- 2.Qc6#
- 2.axb4#
- 1...Rc4
- 2.Rxc4#
- 2.Qc6#
- 1...Bd7
- 2.Sa6#
- 1...Bxb7!
- threat
- 1.Qd7?
- threat
- 2.Qc6#
- 1...Bxd7
- 2.Sa6#
- 1...Bb7!
- threat
- 1.Bb7?
- Keys
- 1.Qf5!
- threat
- 2.Be6#
- 1...Rxd1
- 2.Rc4#
- 1...Bxf5
- 2.Sa6#
- 1...Bxf6
- 2.Qxc8#
- 1...axb4
- 2.axb4#
- 1...Be6
- 2.Sa6#
- 2.Bxe6#
- 1...Bb7
- 2.Bc6#
- 2.Bxb7#
- 1...Sd3
- 2.Sxd3#
- 1...Sg4
- 2.Sd3#
- 1...g2
- 2.Qxf2#
- threat
- 1.Qf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 8
- Sets
- R(a);N_GUARD,P_PINP(B)::R1(F)
- R(a);N_GUARD::R1(F)
- R(a);N_GUARD,XR(A)::R1(F)
- R(a);N_GUARD,P_PINS(E)::R1(F),XR(a)
- B(j);N_GUARD::S(E)
- B(j);N_GUARD::S(E),XB(j)
- B(j);N_GUARD,P_PINS(G)::S(E)
- B(k);N_GUARD,XP(J)::QAR2(K)
- B(k);N_GUARD::QAR2(K),XB(k)
- P(g);OGATE,XS(E)::P(B),XP(g)
- Tries
- Try
- B(H);
- Threat
- DUALS(3)
- Vars
- B(j);::S(E)
- Refutation
- B(j);XB(H)
- Try
- B(H);
- Threat
- DUALS(2)
- Vars
- R(a);N_GUARD,XR(A)::R1(F)
- B(j);N_GUARD::S(E)
- Q(d);::R1(A)
- S(c);N_GUARD::S(E),XS(c)
- P(e);::R1(A)
- Refutation
- B(j);
- Try
- R(F);
- Threat
- DUALS(11)
- Vars
- R(a);N_GUARD,XR(A)::QAR(K)
- B(k);N_GUARD,XP(J)::QAR2(K)
- S(c);N_GUARD::S(E),XS(c)
- S(c);N_GUARD::S(E)
- Refutation
- P(e);
- Try
- Q(K);
- Threat
- DUALS(2)
- Vars
- B(j);P_PINS(G)::S(E)
- Refutation
- B(j);XQ(K)
- Try
- Q(K);
- Threat
- QAR1(K)
- Vars
- B(j);N_GUARD,P_PINS(G),XQ(K)::S(E)
- Refutation
- B(j);
- Try
- Actual
- Q(K);
- Threat
- QAR(K)+B(H)
- Vars
- R(a);N_GUARD,XR(A)::R1(F)
- B(j);N_GUARD,XQ(K)::S(E)
- B(k);N_GUARD,XP(J)::QAR(K),XB(j)
- P(g);OGATE,XS(E)::P(B),XP(g)
- S(c);N_GUARD::S(E),XS(c)
- S(c);N_GUARD::S(E)
- P(e);N_GUARD,S_CUTQ(d)::QAB(K),XS(c)
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).