MESON Chess Problem Database
Problem Display
PID: 74988 (Rb3k2/7P/1r2p2P/7B/3r4/6Qp/b2p1B1K/q4R2 w - - 0 1)
Tabidze, Otar
Source?, 0000
#2
8 + 9
| 6160 | A Chess Philosophy of Otar Tabidze | 1999 |
SOLUTION
- SOUND
- Sets
- 1...Rd3
- 2.Bc5#
- 1...Ra4
- 2.Bc5#
- 1...Rdb4
- 2.Bc5#
- 1...Rc4
- 2.Bc5#
- 1...Re4
- 2.Bc5#
- 1...Rg4
- 2.Bc5#
- 1...Rh4
- 2.Bc5#
- 1...Rd5
- 2.Bc5#
- 1...Rd7
- 2.Bc5#
- 1...Rd8
- 2.Bc5#
- 1...Rd6
- 2.Qg7#
- 1...e5
- 2.Qg7#
- 1...Rd3
- Tries
- 1.Rxb8+?
- 1...Rd8
- 2.Bc5#
- 1...Rxb8
- 2.Qg7#
- 1...Ke7!
- 1...Rd8
- 1.Rxb8+?
- Keys
- 1.Qc7!
- threat
- 2.h8Q#
- 2.h8R#
- 1...Qxf1
- 2.h8Q#
- 2.h8R#
- 1...Rd7
- 2.Bc5#
- 1...d1Q
- 2.h8Q#
- 2.h8R#
- 1...d1S
- 2.h8Q#
- 2.h8R#
- 1...d1B
- 2.h8Q#
- 2.h8R#
- 1...d1R
- 2.h8Q#
- 2.h8R#
- 1...Qb2
- 2.Bxd4#
- 2.h8Q#
- 2.h8R#
- 1...Qc3
- 2.h8Q#
- 2.h8R#
- 1...Qb1
- 2.h8Q#
- 2.h8R#
- 1...Qc1
- 2.h8Q#
- 2.h8R#
- 1...Qd1
- 2.h8Q#
- 2.h8R#
- 1...Qe1
- 2.h8Q#
- 2.h8R#
- 1...Rd3
- 2.Bc5#
- 1...Ra4
- 2.Bc5#
- 1...Rdb4
- 2.Bc5#
- 1...Rc4
- 2.Bc5#
- 1...Re4
- 2.Bc5#
- 1...Rf4
- 2.Qd8#
- 1...Rg4
- 2.Bc5#
- 1...Rh4
- 2.Bc5#
- 1...Rd5
- 2.Bc5#
- 1...Rdd6
- 2.Qf7#
- 1...Rd8
- 2.Bc5#
- 1...Rb1
- 2.h8Q#
- 2.h8R#
- 1...Rb2
- 2.h8Q#
- 2.h8R#
- 1...Rb3
- 2.h8Q#
- 2.h8R#
- 1...Rbb4
- 2.h8Q#
- 2.h8R#
- 1...Rb5
- 2.h8Q#
- 2.h8R#
- 1...Ra6
- 2.h8Q#
- 2.h8R#
- 1...Rc6
- 2.h8Q#
- 2.h8R#
- 1...Rbd6
- 2.Qf7#
- 2.Qg7#
- 2.h8Q#
- 2.h8R#
- 1...Rb7
- 2.h8Q#
- 2.h8R#
- 1...Bb1
- 2.h8Q#
- 2.h8R#
- 1...Bb3
- 2.h8Q#
- 2.h8R#
- 1...Bc4
- 2.h8Q#
- 2.h8R#
- 1...Bd5
- 2.h8Q#
- 2.h8R#
- 1...e5
- 2.Qg7#
- threat
- 1.Qc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- R(e);OGATE::R(A)+B(B),DCHECK
- R(e);N_SPINB(h),OGATE::R(A)+B(B),DCHECK
- R(f);N_PINQ(D)::QAB1(D)
- P(g);N_PINQ(D)::QAB1(D)
- Tries
- Try
- R(H);CHECK,N_SPINQ(D),XB(h)
- Vars
- R(e);OGATE,P_SPINR(e)::R(A)+B(B),DCHECK
- R(f);XR(H)::QAB1(D)
- Refutation
- K(i);S_FLIGHT
- Try
- Actual
- Q(D);
- Threat
- P=Q
- Vars
- Q(a);XR(A)::P=Q
- R(e);OGATE::R(A)+B(B),DCHECK
- P(c);::P=Q
- Q(a);::P=Q
- R(e);N_PINQ(D)::QAR2(D)
- R(e);N_PINQ(D)::QAR1(D)
- R(e);N_SPINB(h),OGATE::R(A)+B(B),DCHECK
- R(f);::P=Q
- B(b);::P=Q
- P(g);N_PINQ(D)::QAB1(D)
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).