MESON Chess Problem Database
Problem Display
PID: 96640 (4B3/bN2PRp1/p1rp2pr/3k2N1/8/1P1p4/KB5Q/7b w - - 0 1)
Popov, Nikolai
Problemas, 1974
#2
9 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Qxd6#
- 1...Rc2
- 2.Qxd6#
- 1...Rc3
- 2.Qxd6#
- 1...Rc4
- 2.Qxd6#
- 1...Rc5
- 2.Qxd6#
- 1...Rc7
- 2.Qxd6#
- 1...Rc8
- 2.Qxd6#
- 1...Bg2
- 2.Qxg2#
- 1...Rc1
- Tries
- 1.Bd7?
- threat
- 2.Be6#
- 1...Rc3
- 2.Qxd6#
- 1...Rc1
- 2.Qxd6#
- 1...Rc2
- 2.Qxd6#
- 1...Rc4
- 2.Qxd6#
- 1...Rc5
- 2.Qxd6#
- 1...Rc7
- 2.Qxd6#
- 1...Rc8
- 2.Qxd6#
- 1...Rb6!
- threat
- 1.Rf1?
- threat
- 2.Bf7#
- 1...Rc3
- 2.Qxd6#
- 1...Rc1
- 2.Qxd6#
- 1...Rc2
- 2.Qxd6#
- 1...Rc4
- 2.Qxd6#
- 1...Rc5
- 2.Qxd6#
- 1...Rc7
- 2.Qxd6#
- 1...Rc8
- 2.Qxd6#
- 1...Rb6!
- threat
- 1.Rf2?
- threat
- 2.Bf7#
- 1...Rc3
- 2.Qxd6#
- 1...Rc1
- 2.Qxd6#
- 1...Rc2
- 2.Qxd6#
- 1...Rc4
- 2.Qxd6#
- 1...Rc5
- 2.Qxd6#
- 1...Rc7
- 2.Qxd6#
- 1...Rc8
- 2.Qxd6#
- 1...Rb6!
- threat
- 1.Rf6?
- threat
- 2.Bf7#
- 1...Rc3
- 2.Rxd6#
- 2.Qxd6#
- 1...Rc1
- 2.Rxd6#
- 2.Qxd6#
- 1...Rc2
- 2.Rxd6#
- 2.Qxd6#
- 1...Rc4
- 2.Rxd6#
- 2.Qxd6#
- 1...Rc5
- 2.Rxd6#
- 2.Qxd6#
- 1...Rc7
- 2.Rxd6#
- 2.Qxd6#
- 1...Rc8
- 2.Rxd6#
- 2.Qxd6#
- 1...Rb6!
- threat
- 1.Rxg7?
- threat
- 2.Bf7#
- 1...Rc3
- 2.Qxd6#
- 1...Rc1
- 2.Qxd6#
- 1...Rc2
- 2.Qxd6#
- 1...Rc4
- 2.Qxd6#
- 1...Rc5
- 2.Qxd6#
- 1...Rc7
- 2.Qxd6#
- 1...Rc8
- 2.Qxd6#
- 1...Rb6!
- threat
- 1.Rf8?
- threat
- 2.Bf7#
- 1...Rc3
- 2.Qxd6#
- 1...Rc1
- 2.Qxd6#
- 1...Rc2
- 2.Qxd6#
- 1...Rc4
- 2.Qxd6#
- 1...Rc5
- 2.Qxd6#
- 1...Rc7
- 2.Qxd6#
- 1...Rc8
- 2.Qxd6#
- 1...Rb6!
- threat
- 1.Bd7?
- Keys
- 1.Rf3!
- threat
- 2.Bf7#
- 1...Rc3
- 2.Qxd6#
- 1...Rb6
- 2.Rxd3#
- 1...Rc1
- 2.Qxd6#
- 1...Rc2
- 2.Qxd6#
- 1...Rc4
- 2.Qxd6#
- 1...Rc5
- 2.Rxd3#
- 2.Qxd6#
- 1...Rc7
- 2.Qxd6#
- 1...Rc8
- 2.Qxd6#
- threat
- 1.Rf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- R(e);N_GUARD::QAR1(C),XP(f)
- R(e);N_GUARD,P_PINB(B)::QAR1(C),XP(f)
- B(a);N_GUARD::QAB(C),XB(a)
- Tries
- Try
- B(I);
- Threat
- B(I)
- Vars
- R(e);N_GUARD::QAR1(C),XP(f)
- R(e);N_GUARD,P_PINB(B)::QAR1(C),XP(f)
- Refutation
- R(e);
- Try
- R(H);
- Threat
- B(I)
- Vars
- R(e);N_GUARD::QAR1(C),XP(f)
- R(e);N_GUARD,P_PINB(B)::QAR1(C),XP(f)
- Refutation
- R(e);
- Try
- R(H);
- Threat
- B(I)
- Vars
- R(e);N_GUARD::QAR1(C),XP(f)
- R(e);N_GUARD,P_PINB(B)::QAR1(C),XP(f)
- Refutation
- R(e);
- Try
- R(H);
- Threat
- B(I)
- Refutation
- R(e);
- Try
- R(H);XP(j)
- Threat
- B(I)
- Vars
- R(e);N_GUARD::QAR1(C),XP(f)
- R(e);N_GUARD,P_PINB(B)::QAR1(C),XP(f)
- Refutation
- R(e);
- Try
- R(H);
- Threat
- B(I)
- Vars
- R(e);N_GUARD::QAR1(C),XP(f)
- R(e);N_GUARD,P_PINB(B)::QAR1(C),XP(f)
- Refutation
- R(e);
- Try
- Actual
- R(H);
- Threat
- B(I)
- Vars
- R(e);N_GUARD::QAR1(C),XP(f)
- R(e);S_CUTB(i)::R(H),XP(b)
- R(e);N_GUARD,P_PINB(B)::QAR1(C),XP(f)
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).