MESON Chess Problem Database
Problem Display
PID: 242799 (3Kb1n1/2B4Q/R3p3/1B1kN3/1P5P/2P3N1/4q3/4r2r w - - 0 1)
Bakcsi, Gyorgy
Themes-64, 1986
#2
10 + 7
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qd1
- 2.Bc4#
- 1...Qd3
- 2.Qxd3#
- 1...Qf3
- 2.Bc4#
- 1...Qc4
- 2.Bxc4#
- 1...Qh5
- 2.Bc4#
- 2.Qd3#
- 1...Qa2
- 2.Qd3#
- 1...Qb2
- 2.Bc4#
- 2.Qd3#
- 1...Qc2
- 2.Bc4#
- 1...Qd2
- 2.Bc4#
- 1...Qf2
- 2.Bc4#
- 1...Qg2
- 2.Bc4#
- 2.Qd3#
- 1...Qh2
- 2.Bc4#
- 2.Qd3#
- 1...Qe3
- 2.Bc4#
- 1...Bh5
- 2.Bc6#
- 2.Qd7#
- 1...Bc6
- 2.Bxc6#
- 1...Bg6
- 2.Bc6#
- 2.Qd7#
- 1...Bd7
- 2.Qxd7#
- 1...Bf7
- 2.Bc6#
- 1...Qd1
- Tries
- 1.Sxe2?
- threat
- 2.Sf4#
- 2.Bc4#
- 2.Qd3#
- 2.c4#
- 1...Rxe2
- 2.Bc4#
- 2.Qd3#
- 1...Bxb5
- 2.Sf4#
- 1...Bg6
- 2.Bc6#
- 1...Rc1
- 2.Sf4#
- 2.Bc4#
- 2.Qd3#
- 1...Rd1
- 2.Sf4#
- 2.Bc4#
- 2.c4#
- 1...Ref1
- 2.Bc4#
- 2.Qd3#
- 2.c4#
- 1...Rhf1
- 2.Bc4#
- 2.Qd3#
- 2.c4#
- 1...Rh3
- 2.Sf4#
- 2.Bc4#
- 2.c4#
- 1...Rxh4!
- threat
- 1.Sd7?
- threat
- 2.Sb6#
- 2.Rd6#
- 1...Bxd7
- 2.Qxd7#
- 1...Qf2
- 2.Rd6#
- 1...Qe3
- 2.Rd6#
- 1...Qe5
- 2.Sb6#
- 1...e5
- 2.Rd6#
- 1...Qxb5!
- threat
- 1.Bxe2?
- threat
- 2.Bc4#
- 2.Qd3#
- 2.Qe4#
- 1...Rxe2
- 2.Qd3#
- 1...Rd1
- 2.Bf3#
- 2.Bc4#
- 2.Qe4#
- 1...Bb5
- 2.Qe4#
- 1...Bg6
- 2.Bc4#
- 2.Ra5#
- 2.Qd7#
- 1...Sf6
- 2.Bc4#
- 2.Qd3#
- 1...Rxh4!
- threat
- 1.Ra5?
- threat
- 2.Bc4#
- 2.Bc6#
- 1...Qxb5
- 2.Qd3#
- 1...Bxb5
- 2.Qd7#
- 1...Qc4
- 2.Bxc4#
- 2.Bc6#
- 1...Bc6
- 2.Bc4#
- 2.Bxc6#
- 1...Qxe5!
- threat
- 1.Rc6?
- threat
- 2.Rc5#
- 1...Bxc6
- 2.Bxc6#
- 1...Qc4
- 2.Bxc4#
- 1...Qf2
- 2.Bc4#
- 1...Qe3
- 2.Bc4#
- 1...Qxb5!
- threat
- 1.Qf5?
- threat
- 2.Rd6#
- 2.Qxe6#
- 1...Qxe5
- 2.Rd6#
- 1...Qg4
- 2.Rd6#
- 1...Bc6
- 2.Bxc6#
- 1...Bd7
- 2.Rd6#
- 1...Bf7
- 2.Bc6#
- 2.Rd6#
- 1...exf5!
- threat
- 1.Qe7?
- threat
- 2.Qc5#
- 2.Qd6#
- 2.Qxe6#
- 1...Qxb5
- 2.Qd6#
- 2.Qxe6#
- 1...Qxe5
- 2.Qc5#
- 1...Qg4
- 2.Qc5#
- 2.Qd6#
- 1...Qc4
- 2.Bxc4#
- 2.Qd6#
- 2.Qxe6#
- 1...Qf2
- 2.Bc4#
- 2.Qd6#
- 2.Qxe6#
- 1...Qe3
- 2.Bc4#
- 2.Qd6#
- 2.Qxe6#
- 1...Bc6
- 2.Bxc6#
- 2.Qc5#
- 2.Qd6#
- 1...Bd7
- 2.Qc5#
- 2.Qd6#
- 2.Qxd7#
- 1...Bf7
- 2.Bc6#
- 2.Qc5#
- 2.Qd6#
- 2.Qd7#
- 1...Sxe7!
- threat
- 1.Sxe2?
- Keys
- 1.Qh5!
- threat
- 2.Rd6#
- 1...Qxh5
- 2.Bc4#
- 1...Bxh5
- 2.Bc6#
- 1...Bc6
- 2.Bxc6#
- threat
- 1.Qh5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 11
- Sets
- Q(c);N_GUARD::B(E)
- Q(c);N_GUARD::QAR2(I),XQ(c)
- Q(c);N_GUARD::B(E),XQ(c)
- Q(c);N_GUARD::QAR2(I)
- B(f);N_GUARD::B(E),XB(f)
- B(f);N_GUARD::QAR2(I),XB(f)
- B(f);N_GUARD::B(E)
- Tries
- Try
- S(B);XQ(c)
- Threat
- DUALS(4)
- Vars
- B(f);XB(E)::S(B)
- B(f);N_GUARD::B(E)
- Refutation
- R(b);XP(D)
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- B(f);OGATE,XS(F)::QAR2(I),XB(f)
- Q(c);::R1(G)
- Q(c);::S(F)
- P(e);::R1(G)
- Refutation
- Q(c);XB(E)
- Try
- B(E);XQ(c)
- Threat
- DUALS(3)
- Vars
- R(a);XB(E)::QAR2(I)
- B(f);::QAB1(I)
- Refutation
- R(b);XP(D)
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- Q(c);N_GUARD,P_SPINQ(c),XB(E)::QAR2(I)
- B(f);N_GUARD,P_SPINB(f),XB(E)::QAR2(I)
- Refutation
- Q(c);XS(F)
- Try
- R(G);
- Threat
- R1(G)
- Vars
- B(f);OGATE,XR(G)::B(E),XB(f)
- Q(c);N_GUARD::B(E),XQ(c)
- Q(c);N_GUARD::B(E)
- Refutation
- Q(c);XB(E)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- Q(c);P_SPINQ(c),XS(F)::R1(G)
- Q(c);::R1(G)
- B(f);N_GUARD::B(E),XB(f)
- B(f);::R1(G)
- Refutation
- P(e);XQ(I)
- Try
- Q(I);
- Threat
- DUALS(3)
- Vars
- Q(c);XS(F)::QAR1(I)
- Refutation
- S(g);XQ(I)
- Try
- Actual
- Q(I);
- Threat
- R1(G)
- Vars
- Q(c);N_GUARD,XQ(I)::B(E)
- B(f);N_GUARD,XQ(I)::B(E)
- B(f);N_GUARD::B(E),XB(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).