MESON Chess Problem Database
Problem Display
PID: 159205 (6N1/6pr/3KP2b/3Rp1r1/2ppkPpN/Q4RP1/8/8 w - - 0 1)
Abdullayev, Elmar
Sachmatija, 2015
#2
9 + 9
| 15148 | Sadier Collection | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Rg6
- 2.Rxe5#
- 1...gxf3
- 2.Qxf3#
- 1...exf4
- 2.Rxf4#
- 1...g6
- 2.Sf6#
- 1...Rg6
- Tries
- 1.Rxd4+?
- 1...Kxd4
- 2.Qe3#
- 1...exd4!
- 1...Kxd4
- 1.Rb5?
- threat
- 2.Qa8#
- 1...gxf3
- 2.Qxf3#
- 1...exf4
- 2.Rxf4#
- 1...g6
- 2.Sf6#
- 1...d3!
- threat
- 1.Qa2?
- threat
- 2.Qe2#
- 1...d3
- 2.Qxc4#
- 1...gxf3!
- threat
- 1.Qc3?
- threat
- 2.Qe1#
- 1...gxf3
- 2.Qxf3#
- 1...dxc3!
- threat
- 1.Qa8?
- threat
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Rxe5#
- 1...exf4
- 2.Re5#
- 2.Rf5#
- 2.Rxg5#
- 1...d3
- 2.Rdxd3#
- 1...g6
- 2.Sf6#
- 2.Rxe5#
- 1...gxf3!
- threat
- 1.Rxd4+?
- Keys
- 1.Rc5!
- threat
- 2.Qa8#
- 1...gxf3
- 2.Qxf3#
- 1...exf4
- 2.Rxf4#
- 1...d3
- 2.Rxc4#
- 1...g6
- 2.Sf6#
- threat
- 1.Rc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- R(f);N_GUARD,P_PINP(H)::R1(F),XP(e)
- P(d);OGATE,XR(B)::QAB1(A),XP(d)
- P(e);OGATE,XP(D)::R1(B),XP(e)
- P(h);N_GUARD::S(I)
- Tries
- Try
- R(F);CHECK,XP(b)
- Vars
- K(c);P-FLIGHT,XR(F)::QAB1(A)
- Refutation
- P(e);XR(F)
- Try
- R(F);
- Threat
- QAB(A)
- Vars
- P(d);OGATE,XR(B)::QAB1(A),XP(d)
- P(e);OGATE,XP(D)::R1(B),XP(e)
- P(h);N_GUARD::S(I)
- Refutation
- P(b);
- Try
- Q(A);
- Threat
- QAR2(A)
- Vars
- P(b);OGATEB::QAR2(A),XP(a)
- Refutation
- P(d);XR(B)
- Try
- Q(A);
- Threat
- QAR(A)
- Vars
- P(d);OGATE,XR(B)::QAB1(A),XP(d)
- Refutation
- P(b);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(4)
- Vars
- P(b);OGATE::QAB(A)+R(F),XP(b)
- Refutation
- P(d);XR(B)
- Try
- Actual
- R(F);
- Threat
- QAB(A)
- Vars
- P(d);OGATE,XR(B)::QAB1(A),XP(d)
- P(e);OGATE,XP(D)::R1(B),XP(e)
- P(b);OGATEB::R(F),XP(a)
- P(h);N_GUARD::S(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).