MESON Chess Problem Database
Problem Display
PID: 192951 (k7/P2p4/Kp5r/1p6/N3p3/b4Q1b/r7/8 w - - 0 1)
Hoffmann, Fritz
Schweizerische Schachzeitung, 1984
#2
4 + 9
SOLUTION
- SOUND
- Sets
- 1...Rh4
- 2.Sxb6#
- 1...Rh5
- 2.Sxb6#
- 1...Rd6
- 2.Qf8#
- 1...Rh7
- 2.Sxb6#
- 1...Rh8
- 2.Sxb6#
- 1...Bc1
- 2.Qf8#
- 1...Bb2
- 2.Qf8#
- 1...Bd6
- 2.Qxe4#
- 1...Bf8
- 2.Qxf8#
- 1...Be6
- 2.Sxb6#
- 1...b4
- 2.Qf8#
- 1...d6
- 2.Sxb6#
- 1...Rh4
- Tries
- 1.Qxe4+?
- 1...Rc6
- 2.Sxb6#
- 1...d5!
- 1...Rc6
- 1.Qg3?
- threat
- 2.Qb8#
- 1...Rd6
- 2.Qg8#
- 1...Rh8
- 2.Sxb6#
- 1...d6
- 2.Sxb6#
- 1...Bd6!
- threat
- 1.Qxe4+?
- Keys
- 1.Qf4!
- threat
- 2.Qb8#
- 1...Rd6
- 2.Qf8#
- 1...Rh8
- 2.Sxb6#
- 1...Bd6
- 2.Qxe4#
- 1...d6
- 2.Sxb6#
- threat
- 1.Qf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 8
- Sets
- R(g);N_GUARD::S(B),XP(f)
- R(g);S_CUTB(b)::QAR(A)
- R(g);N_GUARD,SBLOCK::S(B),XP(f)
- B(b);N_GUARD,P_PINS(B)::QAR(A)
- B(b);P_PINS(B),S_CUTP(h),S_CUTR(g)::QAB(A),XP(d)
- B(b);N_GUARD,P_PINS(B)::QAR(A),XB(b)
- B(c);S_CUTR(g)::S(B),XP(f)
- P(e);S_CUTB(b)::QAR(A)
- P(h);S_CUTR(g)::S(B),XP(f)
- Tries
- Try
- Q(A);CHECK,XP(d)
- Vars
- R(g);P_SPINR(g)::S(B),XP(f)
- Refutation
- P(h);P_SPINP(h)
- Try
- Q(A);N_PINP(d)
- Threat
- QAR1(A)
- Vars
- R(g);S_CUTB(b)::QAR(A)
- R(g);N_GUARD,SBLOCK::S(B),XP(f)
- P(h);S_CUTR(g)::S(B),XP(f)
- Refutation
- B(b);P_PINS(B)
- Try
- Actual
- Q(A);N_PINP(d)
- Threat
- QAR1(A)
- Vars
- R(g);S_CUTB(b)::QAR(A)
- R(g);N_GUARD,SBLOCK::S(B),XP(f)
- B(b);P_PINS(B),S_CUTP(h),S_CUTR(g)::QAB(A),XP(d)
- P(h);S_CUTR(g)::S(B),XP(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).