MESON Chess Problem Database
Problem Display
PID: 179199 (2RN1BK1/1p1P1pp1/1p2p3/b2k2r1/1p1P4/3P4/5Q2/7b w - - 0 1)
Tkachenko, Sergiy Ivanovich
Comm., Phenix, 2015
#2
8 + 10
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...b5
- 2.Rc5#
- 1...b5
- Tries
- 1.Sc6?
- threat
- 2.d8Q#
- 2.d8R#
- 1...bxc6
- 2.d8Q#
- 2.d8R#
- 1...e5
- 2.Qxf7#
- 1...Rg1
- 2.d8Q#
- 2.d8R#
- 1...Rg2
- 2.Qf3#
- 2.d8Q#
- 2.d8R#
- 1...Rg3
- 2.d8Q#
- 2.d8R#
- 1...Rg4
- 2.d8Q#
- 2.d8R#
- 1...Re5
- 2.d8Q#
- 2.d8R#
- 1...Rf5
- 2.d8Q#
- 2.d8R#
- 1...Rh5
- 2.d8Q#
- 2.d8R#
- 1...Rg6
- 2.d8Q#
- 2.d8R#
- 1...Bg2
- 2.d8Q#
- 2.d8R#
- 1...Bf3
- 2.Qxf3#
- 2.d8Q#
- 2.d8R#
- 1...Be4
- 2.d8Q#
- 2.d8R#
- 1...b3
- 2.d8Q#
- 2.d8R#
- 1...f5
- 2.d8Q#
- 2.d8R#
- 1...f6
- 2.d8Q#
- 2.d8R#
- 1...g6
- 2.d8Q#
- 2.d8R#
- 1...b5!
- threat
- 1.Sxb7?
- threat
- 2.d8Q#
- 2.d8R#
- 1...Rg1
- 2.d8Q#
- 2.d8R#
- 1...Rg2
- 2.d8Q#
- 2.d8R#
- 1...Rg3
- 2.d8Q#
- 2.d8R#
- 1...Rg4
- 2.d8Q#
- 2.d8R#
- 1...Re5
- 2.d8Q#
- 2.d8R#
- 1...Rf5
- 2.d8Q#
- 2.d8R#
- 1...Rh5
- 2.d8Q#
- 2.d8R#
- 1...Rg6
- 2.d8Q#
- 2.d8R#
- 1...Bg2
- 2.d8Q#
- 2.d8R#
- 1...Bf3
- 2.d8Q#
- 2.d8R#
- 1...Be4
- 2.d8Q#
- 2.d8R#
- 1...b3
- 2.d8Q#
- 2.d8R#
- 1...b5
- 2.Rc5#
- 1...f5
- 2.d8Q#
- 2.d8R#
- 1...f6
- 2.d8Q#
- 2.d8R#
- 1...g6
- 2.d8Q#
- 2.d8R#
- 1...e5!
- threat
- 1.Sxf7?
- threat
- 2.d8Q#
- 2.d8R#
- 1...Rg1
- 2.d8Q#
- 2.d8R#
- 1...Rg2
- 2.d8Q#
- 2.d8R#
- 1...Rg3
- 2.d8Q#
- 2.d8R#
- 1...Rg4
- 2.d8Q#
- 2.d8R#
- 1...Re5
- 2.d8Q#
- 2.d8R#
- 1...Rf5
- 2.d8Q#
- 2.d8R#
- 1...Rh5
- 2.d8Q#
- 2.d8R#
- 1...Rg6
- 2.d8Q#
- 2.d8R#
- 1...Bg2
- 2.d8Q#
- 2.d8R#
- 1...Bf3
- 2.d8Q#
- 2.d8R#
- 1...Be4
- 2.d8Q#
- 2.d8R#
- 1...b3
- 2.d8Q#
- 2.d8R#
- 1...b5
- 2.Rc5#
- 1...g6
- 2.d8Q#
- 2.d8R#
- 1...e5!
- threat
- 1.Qc2?
- threat
- 2.Qc4#
- 1...b5
- 2.Qc5#
- 1...Kxd4!
- threat
- 1.Qf4?
- threat
- 2.Qd6#
- 1...Re5
- 2.Qxe5#
- 1...e5!
- threat
- 1.Sc6?
- Keys
- 1.Sxe6!
- threat
- 2.Sf4#
- 1...Kxe6
- 2.Qxf7#
- 1...fxe6
- 2.d8Q#
- 2.d8R#
- 1...Rg4
- 2.Qf5#
- 1...Rf5
- 2.Qxf5#
- threat
- 1.Sxe6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- P(f);N_GUARD::R1(E)
- Tries
- Try
- S(F);
- Threat
- P=Q
- Vars
- P(h);XS(F)::P=Q
- P(g);OGATEB::QAB(A),XP(i)
- R(e);::P=Q
- B(a);::P=Q
- P(b);::P=Q
- P(i);::P=Q
- P(j);::P=Q
- Refutation
- P(f);
- Try
- S(F);XP(h)
- Threat
- P=Q
- Vars
- R(e);::P=Q
- B(a);::P=Q
- P(b);::P=Q
- P(f);N_GUARD::R1(E)
- P(i);::P=Q
- P(j);::P=Q
- Refutation
- P(g);
- Try
- S(F);XP(i)
- Threat
- P=Q
- Vars
- R(e);::P=Q
- B(a);::P=Q
- P(b);::P=Q
- P(f);N_GUARD::R1(E)
- P(j);::P=Q
- Refutation
- P(g);
- Try
- Q(A);
- Threat
- QAB1(A)
- Vars
- P(f);N_GUARD::QAR1(A)
- Refutation
- K(d);P-FLIGHT,XP(C)
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- R(e);N_GUARD::QAR1(A),XR(e)
- Refutation
- P(g);
- Try
- Actual
- S(F);XP(g)
- Threat
- S(F)
- Vars
- K(d);OGATEB,S_FLIGHT,XS(F)::QAB1(A),XP(i)
- P(i);SBLOCK,XS(F)::P=Q
- R(e);N_GUARD::QAR2(A)
- R(e);N_GUARD::QAR2(A),XR(e)
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).