MESON Chess Problem Database
Problem Display
PID: 162320 (2B5/p1K5/2p1P1P1/p1NkrnB1/1pRpR3/1P3n2/8/1Q5b w - - 0 1)
Tkachenko, Sergiy Ivanovich
The Problemist, 2016
#2
10 + 10
SOLUTION
- SOUND
- Sets
- 1...Rxe4
- 2.Qxe4#
- 1...Rxe6
- 2.Bxe6#
- 1...Rxe4
- Tries
- 1.Sa4?
- threat
- 2.Rc5#
- 1...c5
- 2.Rxc5#
- 1...d3!
- threat
- 1.Sa6?
- threat
- 2.Rc5#
- 1...c5
- 2.Rxc5#
- 1...d3!
- threat
- 1.Sb7?
- threat
- 2.Rc5#
- 1...c5
- 2.Rxc5#
- 1...d3!
- threat
- 1.Sd7?
- threat
- 2.Sf6#
- 1...Kxe6
- 2.Sb6#
- 1...Rxe6
- 2.Rc5#
- 1...Rxe4!
- threat
- 1.Bd7?
- threat
- 2.Bxc6#
- 1...Rxe4
- 2.Qxe4#
- 1...Rxe6
- 2.Bxe6#
- 1...Se7!
- threat
- 1.Rxe5+?
- 1...Kxe5
- 2.Qe4#
- 1...Sxe5!
- 1...Kxe5
- 1.Sa4?
- Keys
- 1.Sd3!
- threat
- 2.Sf4#
- 1...Kxe4
- 2.Sxb4#
- 1...Rxe4
- 2.Rc5#
- threat
- 1.Sd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- R(g);OGATE,XR(D)::QAB1(A),XR(g)
- R(g);OGATE,XP(G)::B(J),XR(g)
- Tries
- Try
- S(E);
- Threat
- R1(C)
- Vars
- P(i);::R1(C),XP(i)
- Refutation
- P(d);
- Try
- S(E);
- Threat
- R1(C)
- Vars
- P(i);::R1(C),XP(i)
- Refutation
- P(d);
- Try
- S(E);
- Threat
- R1(C)
- Vars
- P(i);::R1(C),XP(i)
- Refutation
- P(d);
- Try
- S(E);
- Threat
- S(E)
- Vars
- K(f);P_SPINR(g),S_FLIGHT,XP(G)::B(J)+S(E)
- R(g);XP(G)::R1(C)
- Refutation
- R(g);XR(D)
- Try
- B(J);
- Threat
- B(J),XP(i)
- Vars
- R(g);OGATE,XR(D)::QAB1(A),XR(g)
- R(g);OGATE,XP(G)::B(J),XR(g)
- Refutation
- S(h);
- Try
- R(D);CHECK,XR(g)
- Vars
- K(f);P-FLIGHT,XR(D)::QAR1(A)
- Refutation
- S(b);XR(D)
- Try
- Actual
- S(E);
- Threat
- S(E)
- Vars
- K(f);P_SPINP(d),S_FLIGHT,XR(D)::QAB(A)+S(E),XP(c)
- R(g);SBLOCK,XR(D)::R1(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).