MESON Chess Problem Database
Problem Display
PID: 243150 (k2B1R1r/p4P2/Np1Np3/1K4QP/2p3P1/5Rp1/2p1P1B1/b6q w - - 0 1)
Banny, Dimitry Nikolaevich
Schach, 1970
#2
12 + 10
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qb1+
- 2.Rb3#
- 1...Qc1
- 2.Rf1#
- 2.Rf2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rxg3#
- 2.Rf4#
- 2.Rf5#
- 2.Rf6#
- 1...Qd1
- 2.Rd3#
- 1...Qe1
- 2.Rf1#
- 2.Rf2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rxg3#
- 2.Rf4#
- 2.Rf5#
- 2.Rf6#
- 1...Qf1
- 2.Rxf1#
- 1...Qh4
- 2.Rf1#
- 2.Rf2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rxg3#
- 2.Rf4#
- 2.Rf5#
- 2.Rf6#
- 1...Qxh5
- 2.Rf1#
- 2.Rf2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rxg3#
- 2.Rf4#
- 2.Rf5#
- 2.Rf6#
- 1...Rxh5
- 2.Bxb6#
- 2.Bf6#
- 2.Bc7#
- 2.Be7#
- 1...Rh6
- 2.Bxb6#
- 2.Bf6#
- 2.Bc7#
- 2.Be7#
- 1...Rh7
- 2.Bxb6#
- 2.Bf6#
- 2.Bc7#
- 2.Be7#
- 1...Qb1+
- Tries
- 1.Qf4?
- threat
- 2.Qe4#
- 1...Qb1+
- 2.Rb3#
- 1...Rxh5+
- 2.Bg5#
- 1...Qd1
- 2.Rd3#
- 1...Qxh5+!
- threat
- 1.Qe7?
- threat
- 2.Qb7#
- 1...Qb1+
- 2.Rb3#
- 1...Qxh5+
- 2.Rf5#
- 1...Rxh5+!
- threat
- 1.Qc5?
- threat
- 2.Qc6#
- 2.Qc8#
- 1...Qb1+
- 2.Rb3#
- 1...Qxh5
- 2.Rf5#
- 1...Rxh5
- 2.Bh4#
- 2.Bg5#
- 2.Bxb6#
- 2.Bf6#
- 2.Bc7#
- 2.Be7#
- 1...bxc5!
- threat
- 1.Qe5?
- threat
- 2.Qe4#
- 1...Qb1+
- 2.Rb3#
- 1...Qxh5
- 2.Rf1#
- 2.Rf2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rxg3#
- 2.Rf4#
- 2.Rf5#
- 2.Rf6#
- 1...Rxh5
- 2.Bh4#
- 2.Bg5#
- 2.Bxb6#
- 2.Bf6#
- 2.Bc7#
- 2.Be7#
- 1...Qd1
- 2.Rd3#
- 1...Bxe5!
- threat
- 1.Qf5?
- threat
- 2.Qe4#
- 1...Qb1+
- 2.Rb3#
- 1...Qxh5
- 2.Rf1#
- 2.Rf2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rxg3#
- 2.Rf4#
- 1...Rxh5
- 2.Bh4#
- 2.Bg5#
- 2.Bxb6#
- 2.Bf6#
- 2.Bc7#
- 2.Be7#
- 1...Qd1
- 2.Rd3#
- 1...exf5!
- threat
- 1.Qf4?
- Keys
- 1.Qg6!
- threat
- 2.Qe4#
- 1...Qb1+
- 2.Rb3#
- 1...Qxh5+
- 2.Rf5#
- 1...Rxh5+
- 2.Bg5#
- 1...Qd1
- 2.Rd3#
- threat
- 1.Qg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- Q(b);CHECK,N_GUARD::B(B)+R(C)
- Q(b);N_GUARD::B(B)+R(C)
- Q(b);N_GUARD::B(B)+R(C),XQ(b)
- Tries
- Try
- Q(F);
- Threat
- QAB(F)
- Vars
- Q(b);CHECK,N_GUARD::B(B)+R(C)
- R(j);CHECK,N_GUARD,XP(G)::R(L)+B(K)
- Q(b);N_GUARD::B(B)+R(C)
- Refutation
- Q(b);CHECK,XP(G)
- Try
- Q(F);
- Threat
- QAB1(F)
- Vars
- Q(b);CHECK,N_GUARD::B(B)+R(C)
- Q(b);CHECK,N_GUARD,XP(G)::B(B)+R(C)
- Refutation
- R(j);CHECK,XP(G)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- Q(b);CHECK,N_GUARD::B(B)+R(C)
- Q(b);N_GUARD,P_PINQ(F),XP(G)::B(B)+R(C)
- Refutation
- P(f);XQ(F)
- Try
- Q(F);
- Threat
- QAB(F)
- Vars
- Q(b);CHECK,N_GUARD::B(B)+R(C)
- Q(b);N_GUARD::B(B)+R(C)
- Refutation
- B(a);XQ(F)
- Try
- Q(F);
- Threat
- QAB(F)
- Vars
- Q(b);CHECK,N_GUARD::B(B)+R(C)
- Q(b);N_GUARD::B(B)+R(C)
- Refutation
- P(g);XQ(F)
- Try
- Actual
- Q(F);
- Threat
- QAB(F)
- Vars
- Q(b);CHECK,N_GUARD::B(B)+R(C)
- Q(b);CHECK,N_GUARD,XP(G)::B(B)+R(C)
- R(j);CHECK,N_GUARD,XP(G)::R(L)+B(K)
- Q(b);N_GUARD::B(B)+R(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).