MESON Chess Problem Database
Problem Display
PID: 56762 (3b1Q2/1B5r/1p4p1/8/5B2/1K5p/6R1/7k w - - 0 1)
Ferber, Eugene
Bulletin de la FFE, 1924
#2
5 + 6
SOLUTION
- SOUND
- Sets
- 1...Rh4
- 2.Rg4#
- 2.Rg5#
- 2.Rxg6#
- 1...Rh5
- 2.Rg5#
- 1...Rh6
- 2.Rg4#
- 2.Rg5#
- 2.Rxg6#
- 1...Rh8
- 2.Rg4#
- 2.Rg5#
- 2.Rxg6#
- 1...Bc7
- 2.Rg4#
- 2.Rg5#
- 2.Rxg6#
- 1...Be7
- 2.Rg4#
- 2.Rg5#
- 2.Rxg6#
- 1...Rh4
- Tries
- 1.Bc7?
- threat
- 2.Rg4#
- 2.Rg5#
- 2.Rxg6#
- 2.Qf1#
- 1...Rxc7
- 2.Qf1#
- 1...Bxc7
- 2.Qf1#
- 1...hxg2
- 2.Qf1#
- 1...Rh4
- 2.Rg4#
- 2.Qf1#
- 1...Rh5
- 2.Rg5#
- 2.Qf1#
- 1...Rd7
- 2.Qf1#
- 1...Re7
- 2.Qf1#
- 1...Bg5
- 2.Rg4#
- 2.Rxg5#
- 2.Qf1#
- 1...Bf6
- 2.Rg4#
- 2.Rg5#
- 2.Rxg6#
- 1...g5
- 2.Rg4#
- 2.Rxg5#
- 2.Qf1#
- 1...Rf7!
- threat
- 1.Bf3?
- threat
- 2.Rg4#
- 2.Rg5#
- 2.Rxg6#
- 1...Bg5
- 2.Rg4#
- 2.Rxg5#
- 1...g5
- 2.Rg4#
- 2.Rxg5#
- 1...hxg2!
- threat
- 1.Ra2+?
- 1...Kg1
- 2.Bh2#
- 2.Be3#
- 1...Rxb7!
- 1...Kg1
- 1.Rb2+?
- 1...Kg1
- 2.Bh2#
- 2.Be3#
- 1...Rxb7!
- 1...Kg1
- 1.Rc2+?
- 1...Kg1
- 2.Bh2#
- 2.Be3#
- 1...Rxb7!
- 1...Kg1
- 1.Rd2+?
- 1...Kg1
- 2.Bh2#
- 2.Be3#
- 1...Rxb7!
- 1...Kg1
- 1.Re2+?
- 1...Kg1
- 2.Bh2#
- 2.Be3#
- 1...Rxb7!
- 1...Kg1
- 1.Rf2+?
- 1...Kg1
- 2.Bh2#
- 1...Rxb7!
- 1...Kg1
- 1.Rg3+?
- 1...Kh2
- 2.Rg4#
- 2.Rg5#
- 2.Rxg6#
- 1...Rxb7!
- 1...Kh2
- 1.Qc5?
- threat
- 2.Rg1#
- 2.Rh2#
- 2.Qg1#
- 2.Qc1#
- 1...Rxb7
- 2.Rg1#
- 2.Rh2#
- 2.Qg1#
- 1...hxg2
- 2.Qc1#
- 1...Rc7
- 2.Rg1#
- 2.Rh2#
- 2.Qg1#
- 1...Rd7
- 2.Rg1#
- 2.Rh2#
- 2.Qg1#
- 1...Re7
- 2.Rg1#
- 2.Rh2#
- 2.Qg1#
- 1...Bh4
- 2.Rg1#
- 2.Rh2#
- 2.Qg1#
- 1...h2
- 2.Rg1#
- 2.Rxh2#
- 2.Qc1#
- 1...bxc5!
- threat
- 1.Qe7?
- threat
- 2.Rg4#
- 2.Rg5#
- 2.Rxg6#
- 2.Qe1#
- 1...Bxe7
- 2.Rg4#
- 2.Rg5#
- 2.Rxg6#
- 1...hxg2
- 2.Qe1#
- 1...Rh5
- 2.Rg5#
- 2.Qe1#
- 1...g5
- 2.Rg4#
- 2.Rxg5#
- 2.Qe1#
- 1...Rxe7!
- threat
- 1.Qg7?
- threat
- 2.Rg4#
- 2.Rg5#
- 2.Rxg6#
- 2.Qa1#
- 1...hxg2
- 2.Qa1#
- 1...Rh5
- 2.Rg5#
- 2.Qa1#
- 1...Bh4
- 2.Rg4#
- 2.Rg5#
- 2.Rxg6#
- 1...Bg5
- 2.Rg4#
- 2.Rxg5#
- 2.Qa1#
- 1...Bf6
- 2.Rg4#
- 2.Rg5#
- 2.Rxg6#
- 1...g5
- 2.Rg4#
- 2.Rxg5#
- 2.Qa1#
- 1...Rxg7!
- threat
- 1.Bc7?
- Keys
- 1.Qf5!
- threat
- 2.Qb1#
- 1...Rxb7
- 2.Qxh3#
- 1...gxf5
- 2.Rg7#
- 1...Rc7
- 2.Qxh3#
- 1...Rd7
- 2.Qxh3#
- 1...Re7
- 2.Qxh3#
- 1...Bh4
- 2.Qxh3#
- threat
- 1.Qf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 1
- Sets
- R(e);N_GUARD::B(D)+R(A)
- Tries
- Try
- B(C);
- Threat
- DUALS(4)
- Vars
- R(e);XB(C)::QAR2(E)
- B(f);XB(C)::QAR2(E)
- P(b);P_SPINP(b),XR(A)::QAR2(E)
- R(e);::QAR2(E)
- Refutation
- R(e);
- Try
- B(D);
- Threat
- DUALS(3)
- Refutation
- P(b);P_SPINP(b),XR(A)
- Try
- R(A);CHECK
- Refutation
- R(e);XB(D)
- Try
- R(A);CHECK
- Refutation
- R(e);XB(D)
- Try
- R(A);CHECK
- Refutation
- R(e);XB(D)
- Try
- R(A);CHECK
- Refutation
- R(e);XB(D)
- Try
- R(A);CHECK
- Refutation
- R(e);XB(D)
- Try
- R(A);CHECK
- Vars
- K(a);P-FLIGHT::B(C)
- Refutation
- R(e);XB(D)
- Try
- R(A);CHECK
- Refutation
- R(e);XB(D)
- Try
- Q(E);
- Threat
- DUALS(4)
- Vars
- P(b);P_SPINP(b),XR(A)::QAR(E)
- Refutation
- P(c);XQ(E)
- Try
- Q(E);
- Threat
- DUALS(4)
- Vars
- P(b);P_SPINP(b),XR(A)::QAR(E)
- Refutation
- R(e);XQ(E)
- Try
- Q(E);
- Threat
- DUALS(4)
- Vars
- P(b);P_SPINP(b),XR(A)::QAB1(E)
- Refutation
- R(e);XQ(E)
- Try
- Actual
- Q(E);
- Threat
- QAR(E)
- Vars
- R(e);N_GUARD,XB(D)::QAR2(E),XP(b)
- P(d);OGATE,XQ(E)::B(D)+R(A)
- R(e);N_GUARD::QAR2(E),XP(b)
- B(f);S_CUTR(e)::QAR2(E),XP(b)
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).