MESON Chess Problem Database
Problem Display
PID: 168916 (2q4r/2Q2BN1/r2b4/6R1/2N1bk1n/6R1/7B/n1K5 w - - 0 1)
Kreibich, Kamil
Ceske Slovo, 1929
(First published on Sat Sep 14 1929)
#2
8 + 8
| 3485 | Sachova skladba | 2009 |
| 14868 | Pirnie Collection | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qg4
- 2.R5xg4#
- 1...Qe6
- 2.Sxe6#
- 1...Qb7
- 2.Se6#
- 2.R5g4#
- 1...Qxc7
- 2.Se6#
- 2.R5g4#
- 1...Qa8
- 2.Se6#
- 2.R5g4#
- 1...Qb8
- 2.Se6#
- 2.R5g4#
- 1...Qd8
- 2.Se6#
- 2.R5g4#
- 1...Qe8
- 2.R5g4#
- 1...Qf8
- 2.Se6#
- 2.R5g4#
- 1...Qg8
- 2.Se6#
- 2.R5g4#
- 1...Ra2
- 2.Qxd6#
- 1...Ra3
- 2.Qxd6#
- 1...Ra4
- 2.Qxd6#
- 1...Ra7
- 2.Qxd6#
- 1...Ra8
- 2.Qxd6#
- 1...Rh5
- 2.Sxh5#
- 1...Rd8
- 2.Sh5#
- 1...Re8
- 2.Sh5#
- 1...Rf8
- 2.Sh5#
- 1...Rg8
- 2.Sh5#
- 1...Bf3
- 2.R3g4#
- 1...Be5
- 2.Qxe5#
- 1...Sf3
- 2.R3g4#
- 1...Sf5
- 2.R5g4#
- 1...Qg4
- Tries
- 1.Qc5?
- threat
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rh3#
- 2.Qe3#
- 1...Sb3+
- 2.Rxb3#
- 1...Qxc5
- 2.Se6#
- 2.R5g4#
- 1...Bb1
- 2.Re3#
- 2.Qe3#
- 1...Bh1
- 2.Re3#
- 2.Qe3#
- 1...Bc2
- 2.Re3#
- 2.Qe3#
- 1...Bg2
- 2.Re3#
- 2.Qe3#
- 1...Bd3
- 2.Re3#
- 2.Qe3#
- 1...Bf3
- 2.R3g4#
- 2.Qe3#
- 1...Bd5
- 2.Qe3#
- 1...Bf5
- 2.Qe3#
- 1...Bc6
- 2.Re3#
- 2.Qe3#
- 1...Bg6
- 2.Re3#
- 2.Qe3#
- 1...Bb7
- 2.Re3#
- 2.Qe3#
- 1...Bh7
- 2.Re3#
- 2.Qe3#
- 1...Ba8
- 2.Re3#
- 2.Qe3#
- 1...Qh3
- 2.Rxh3#
- 2.Qe3#
- 1...Qg4
- 2.R5xg4#
- 2.Qe3#
- 1...Qf5
- 2.Qe3#
- 1...Ra2
- 2.Qe3#
- 2.Qxd6#
- 1...Ra3
- 2.Rxa3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Qxd6#
- 1...Be5
- 2.Qe3#
- 2.Qxe5#
- 1...Sc2
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rh3#
- 1...Sg2
- 2.Rh3#
- 1...Sf3
- 2.R3g4#
- 2.Qe3#
- 1...Sf5
- 2.R5g4#
- 1...Sg6
- 2.Rh3#
- 2.Qe3#
- 1...Bxc5!
- threat
- 1.Qe7?
- threat
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rh3#
- 1...Qxc4+
- 2.Rc3#
- 1...Ba3+
- 2.Rxa3#
- 1...Sb3+
- 2.Rxb3#
- 1...Qh3
- 2.Rxh3#
- 1...Qg4
- 2.R5xg4#
- 1...Ra2
- 2.Qxd6#
- 1...Ra3
- 2.Rxa3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Qxd6#
- 1...Bd3
- 2.Rxd3#
- 2.Re3#
- 2.Rh3#
- 2.Qe3#
- 1...Bf3
- 2.Rg1#
- 2.Rg2#
- 2.Rh3#
- 2.R3g4#
- 2.Qe3#
- 1...Sg2
- 2.Rh3#
- 1...Sf3
- 2.R3g4#
- 1...Sf5
- 2.R5g4#
- 1...Sg6
- 2.Rh3#
- 1...Bxe7!
- threat
- 1.Qc5?
- Keys
- 1.Qd8!
- threat
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rh3#
- 1...Qxc4+
- 2.Rc3#
- 1...Ba3+
- 2.Rxa3#
- 1...Sb3+
- 2.Rxb3#
- 1...Qxd8
- 2.Se6#
- 2.R5g4#
- 1...Rxd8
- 2.Sh5#
- 1...Bb1
- 2.Re3#
- 1...Bh1
- 2.Re3#
- 1...Bc2
- 2.Re3#
- 1...Bg2
- 2.Re3#
- 1...Bd3
- 2.Re3#
- 1...Bf3
- 2.R3g4#
- 1...Bd5
- 2.Re3#
- 1...Bf5
- 2.Re3#
- 1...Bc6
- 2.Re3#
- 1...Bg6
- 2.Re3#
- 1...Bb7
- 2.Re3#
- 1...Bh7
- 2.Re3#
- 1...Ba8
- 2.Re3#
- 1...Qh3
- 2.Rxh3#
- 1...Qg4
- 2.R5xg4#
- 1...Ra2
- 2.Qxd6#
- 1...Ra3
- 2.Rxa3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Qxd6#
- 1...Be7
- 2.Qd2#
- 1...Sg2
- 2.Rh3#
- 1...Sf3
- 2.R3g4#
- 1...Sf5
- 2.R5g4#
- 1...Sg6
- 2.Rh3#
- threat
- 1.Qd8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 19
- REMOVED MATES = 11
- Sets
- Q(g);N_GUARD::R1(E),XQ(g)
- Q(g);N_GUARD::S(H),XQ(g)
- Q(g);N_GUARD::R1(E)
- R(e);N_GUARD::QAB(F),XB(f)
- R(h);N_GUARD::S(H),XR(h)
- R(h);N_GUARD::S(H)
- B(b);SBLOCK::B(B)+R(C),DCHECK
- B(f);OGATE::QAB1(F),XB(f)
- S(d);SBLOCK::B(B)+R(C),DCHECK
- S(d);S_CUTQ(g)::R1(E)
- Tries
- Try
- Q(F);N_PINB(f)
- Threat
- DUALS(7)
- Vars
- S(a);CHECK::B(B)+R(C),XS(a)
- B(b);::QAB1(F)
- Q(g);::QAB1(F)
- S(d);::B(B)+R(C)
- S(d);S_CUTQ(g)::R1(E)
- Refutation
- B(f);XQ(F)
- Try
- Q(F);N_PINB(f),P_SPINS(D)
- Threat
- DUALS(6)
- Vars
- Q(g);CHECK,XS(D)::B(B)+R(C)
- B(f);CHECK::B(B)+R(C),XB(f)
- S(a);CHECK::B(B)+R(C),XS(a)
- Q(g);N_PINS(D)::B(B)+R(C),XQ(g)
- Q(g);N_GUARD,N_PINS(D)::R1(E),XQ(g)
- R(e);N_GUARD::QAB(F),XB(f)
- S(d);::B(B)+R(C)
- S(d);SBLOCK::B(B)+R(C),DCHECK
- S(d);S_CUTQ(g)::R1(E)
- Refutation
- B(f);XQ(F)
- Try
- Actual
- Q(F);N_PINB(f),P_SPINS(D)
- Threat
- DUALS(6)
- Vars
- Q(g);CHECK,XS(D)::B(B)+R(C)
- B(f);CHECK::B(B)+R(C),XB(f)
- S(a);CHECK::B(B)+R(C),XS(a)
- R(h);N_GUARD,XQ(F)::S(H)
- B(b);::B(B)+R(C)
- B(b);N_PINS(D)::B(B)+R(C)
- B(b);SBLOCK::B(B)+R(C),DCHECK
- Q(g);N_PINS(D)::B(B)+R(C),XQ(g)
- Q(g);N_GUARD,N_PINS(D)::R1(E),XQ(g)
- R(e);N_GUARD::QAB(F),XB(f)
- B(f);OGATE::QAB(F)
- S(d);::B(B)+R(C)
- S(d);SBLOCK::B(B)+R(C),DCHECK
- S(d);S_CUTQ(g)::R1(E)
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).