MESON Chess Problem Database
Problem Display
PID: 17511 (B5b1/1R6/8/3N4/6P1/p4kPR/qp1PpN2/4B2K w - - 0 1)
Hassberg, Eric Manfred
L'Italia Scacchistica, 1947
#2
10 + 6
SOLUTION
- SOUND
- Sets
- 1...Qb3
- 2.Rxb3#
- 1...Qxd5
- 2.Rb3#
- 1...Qa1
- 2.Rb3#
- 1...Bxd5
- 2.Rf7#
- 1...Bf7
- 2.Rxf7#
- 1...Qb3
- Tries
- 1.Sc3?
- threat
- 2.Rf7#
- 1...Qf7
- 2.Rxf7#
- 1...Bf7
- 2.Rxf7#
- 1...Qd5!
- threat
- 1.Se3?
- threat
- 2.Rf7#
- 1...Qf7
- 2.Rxf7#
- 1...Bf7
- 2.Rxf7#
- 1...Qd5!
- threat
- 1.Sb4?
- threat
- 2.Rf7#
- 1...Qf7
- 2.Rxf7#
- 1...Bf7
- 2.Rxf7#
- 1...Qd5!
- threat
- 1.Sf4?
- threat
- 2.Rb3#
- 1...Qb3
- 2.Rxb3#
- 1...Bb3
- 2.Rxb3#
- 1...Bd5!
- threat
- 1.Sb6?
- threat
- 2.Rf7#
- 1...Qf7
- 2.Rxf7#
- 1...Bf7
- 2.Rxf7#
- 1...Qd5!
- threat
- 1.Sf6?
- threat
- 2.Rb3#
- 1...Qb3
- 2.Rxb3#
- 1...Bb3
- 2.Rxb3#
- 1...Bd5!
- threat
- 1.Sc7?
- threat
- 2.Rb3#
- 1...Qb3
- 2.Rxb3#
- 1...Bb3
- 2.Rxb3#
- 1...Bd5!
- threat
- 1.Se7?
- threat
- 2.Rb3#
- 1...Qb3
- 2.Rxb3#
- 1...Bb3
- 2.Rxb3#
- 1...Bd5!
- threat
- 1.Sc3?
- Keys
- 1.g5!
- threat
- 2.g4#
- 1...Qxd5
- 2.Rb3#
- 1...Bxd5
- 2.Rf7#
- threat
- 1.g5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- Q(a);N_GUARD::R(I),XQ(a)
- Q(a);N_GUARD,XS(H)::R(I)
- Q(a);N_GUARD,P_PINB(A)::R(I)
- B(f);N_GUARD,XS(H)::R(I)
- B(f);N_GUARD::R(I),XB(f)
- Tries
- Try
- S(H);
- Threat
- B(J)+R(I),DCHECK
- Vars
- Q(a);::B(J)+R(I),DCHECK,XQ(a)
- B(f);::B(J)+R(I),DCHECK,XB(f)
- Refutation
- Q(a);
- Try
- S(H);
- Threat
- B(J)+R(I),DCHECK
- Vars
- Q(a);::B(J)+R(I),DCHECK,XQ(a)
- B(f);::B(J)+R(I),DCHECK,XB(f)
- Refutation
- Q(a);
- Try
- S(H);
- Threat
- B(J)+R(I),DCHECK
- Vars
- Q(a);::B(J)+R(I),DCHECK,XQ(a)
- B(f);::B(J)+R(I),DCHECK,XB(f)
- Refutation
- Q(a);
- Try
- S(H);
- Threat
- B(J)+R(I),DCHECK
- Vars
- Q(a);::B(J)+R(I),DCHECK,XQ(a)
- B(f);::B(J)+R(I),DCHECK,XB(f)
- Refutation
- B(f);
- Try
- S(H);
- Threat
- B(J)+R(I),DCHECK
- Vars
- Q(a);::B(J)+R(I),DCHECK,XQ(a)
- B(f);::B(J)+R(I),DCHECK,XB(f)
- Refutation
- Q(a);
- Try
- S(H);
- Threat
- B(J)+R(I),DCHECK
- Vars
- Q(a);::B(J)+R(I),DCHECK,XQ(a)
- B(f);::B(J)+R(I),DCHECK,XB(f)
- Refutation
- B(f);
- Try
- S(H);
- Threat
- B(J)+R(I),DCHECK
- Vars
- Q(a);::B(J)+R(I),DCHECK,XQ(a)
- B(f);::B(J)+R(I),DCHECK,XB(f)
- Refutation
- B(f);
- Try
- S(H);
- Threat
- B(J)+R(I),DCHECK
- Vars
- Q(a);::B(J)+R(I),DCHECK,XQ(a)
- B(f);::B(J)+R(I),DCHECK,XB(f)
- Refutation
- B(f);
- Try
- Actual
- P(G);
- Threat
- R(F)+P(E)
- Vars
- Q(a);N_GUARD,XS(H)::R(I)
- B(f);N_GUARD,XS(H)::R(I)
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).