MESON Chess Problem Database
Problem Display
PID: 235627 (7N/4K3/2P5/RB2P3/3Pk1p1/2BpP1p1/6p1/2R1Q1N1 w - - 0 1)
Erokhin, Vladimir Alekseevich
Mat, 1977
#2
12 + 5
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Kd5
- 2.e4#
- 1...Kd5
- Tries
- 1.Kf6?
- 1...Kd5
- 2.e4#
- 1...d2!
- 1...Kd5
- 1.Sf7?
- 1...Kd5
- 2.e4#
- 1...Kf5
- 2.Bxd3#
- 1...d2!
- 1...Kd5
- 1.Ba4?
- 1...d2
- 2.Bc2#
- 1...Kf5!
- 1...d2
- 1.Qd2?
- threat
- 2.Bxd3#
- 1...Kd5
- 2.Qxg2#
- 1...Kf5!
- threat
- 1.Qxg3?
- 1...Kd5
- 2.Qxg2#
- 1...Kf5
- 2.Qf4#
- 1...d2!
- 1...Kd5
- 1.e6?
- 1...Kd5
- 2.e4#
- 1...Kf5
- 2.Bxd3#
- 1...d2!
- 1...Kd5
- 1.Kf6?
- Keys
- 1.Bd2!
- 1...Kd5
- 2.Bxd3#
- 1...Kf5
- 2.e4#
- 1...Kd5
- 1.Bd2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(d);OGATE,S_FLIGHT::P(E)
- Tries
- Try
- K(K);S_FLIGHT
- Vars
- K(d);OGATE,S_FLIGHT::P(E)
- Refutation
- P(b);
- Try
- S(L);
- Vars
- K(d);OGATE,S_FLIGHT::P(E)
- K(d);S_FLIGHT::B(H),XP(b)
- Refutation
- P(b);
- Try
- B(H);
- Vars
- P(b);OGATEB::B(H)
- Refutation
- K(d);S_FLIGHT
- Try
- Q(B);
- Threat
- B(H),XP(b)
- Vars
- K(d);S_FLIGHT::QAB(B),XP(a)
- Refutation
- K(d);S_FLIGHT
- Try
- Q(B);XP(c)
- Vars
- K(d);S_FLIGHT::QAB(B),XP(a)
- K(d);S_FLIGHT::QAR1(B)
- Refutation
- P(b);
- Try
- P(I);
- Vars
- K(d);OGATE,S_FLIGHT::P(E)
- K(d);S_FLIGHT::R(G)+B(H),DCHECK,XP(b)
- Refutation
- P(b);
- Try
- Actual
- B(D);
- Vars
- K(d);S_FLIGHT::R(G)+B(H),XP(b)
- K(d);OGATE,S_FLIGHT::P(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).