MESON Chess Problem Database
Problem Display
PID: 158086 (5B2/8/1p4K1/3pP3/P1kp4/2pNp1Q1/nRb1B3/2N1r1b1 w - - 0 1)
Ahues, Herbert Siegfried Oskar
L'Italia Scacchistica, 1960
#2
9 + 10
| 15148 | Sadier Collection | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Bxd3+
- 2.Bxd3#
- 1...Sxc1
- 2.Rb4#
- 1...Sb4
- 2.Rxb4#
- 1...Bxd3+
- Tries
- 1.Rxb6?
- threat
- 2.Rc6#
- 1...Bxd3+
- 2.Bxd3#
- 1...Bxa4
- 2.Sb2#
- 1...Sxc1
- 2.Rb4#
- 1...Sb4
- 2.Rxb4#
- 1...Rxc1!
- threat
- 1.Qh3?
- threat
- 2.Qc8#
- 1...Bxd3+
- 2.Bxd3#
- 1...Sb4
- 2.Rxb4#
- 1...Bxa4!
- threat
- 1.e6?
- threat
- 2.Qc7#
- 1...Bxd3+
- 2.Bxd3#
- 1...Bxa4
- 2.Se5#
- 1...Sb4
- 2.Rxb4#
- 1...Bh2!
- threat
- 1.Rxb6?
- Keys
- 1.Qg4!
- threat
- 2.Qc8#
- 1...Bxd3+
- 2.Bxd3#
- 1...Bxa4
- 2.Sxe1#
- 1...Sb4
- 2.Rxb4#
- threat
- 1.Qg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- B(d);CHECK,OGATE,P_SPINB(d),XS(D)::B(C),XB(d)
- S(c);N_GUARD,XS(A)::R1(B)
- S(c);N_GUARD::R1(B),XS(c)
- Tries
- Try
- R(B);XP(j)
- Threat
- R(B)
- Vars
- B(d);CHECK,OGATE,P_SPINB(d),XS(D)::B(C),XB(d)
- B(d);N_PINS(D),XP(F)::B(C)+S(D),DCHECK
- S(c);N_GUARD,XS(A)::R1(B)
- S(c);N_GUARD::R1(B),XS(c)
- Refutation
- R(a);XS(A)
- Try
- Q(E);
- Threat
- QAR(E)
- Vars
- B(d);CHECK,OGATE,P_SPINB(d),XS(D)::B(C),XB(d)
- S(c);N_GUARD::R1(B),XS(c)
- Refutation
- B(d);N_PINS(D),XP(F)
- Try
- P(G);
- Threat
- QAR(E)
- Vars
- B(d);CHECK,OGATE,P_SPINB(d),XS(D)::B(C),XB(d)
- B(d);N_PINS(D),XP(F)::B(C)+S(D),DCHECK
- S(c);N_GUARD::R1(B),XS(c)
- Refutation
- B(b);
- Try
- Actual
- Q(E);P_PINP(h)
- Threat
- QAR(E)
- Vars
- B(d);CHECK,OGATE,P_SPINB(d),XS(D)::B(C),XB(d)
- B(d);N_PINS(D),XP(F)::B(C)+S(D),XR(a)
- S(c);N_GUARD::R1(B),XS(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).