MESON Chess Problem Database
Problem Display
PID: 244893 (5N2/8/Rb2p1B1/3rk3/2Q1N1Kp/2p2n2/3r1P1p/2B5 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Schweizerische Schachzeitung, 1992
#2
8 + 9
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Bf4#
- 1...Ra2
- 2.Bf4#
- 1...Rb2
- 2.Bf4#
- 1...Rc2
- 2.Bf4#
- 1...Re2
- 2.Bf4#
- 1...Rxf2
- 2.Bf4#
- 1...R2d3
- 2.Bf4#
- 1...R2d4
- 2.Bf4#
- 1...R5d4
- 2.Qxe6#
- 1...Bxf2
- 2.Rxe6#
- 1...Be3
- 2.Rxe6#
- 1...Bd4
- 2.Rxe6#
- 1...Ba5
- 2.Rxe6#
- 1...Bc5
- 2.Rxe6#
- 1...Ba7
- 2.Rxe6#
- 1...Bc7
- 2.Rxe6#
- 1...Bd8
- 2.Rxe6#
- 1...Se1
- 2.f4#
- 1...Sg1
- 2.f4#
- 1...Sd4
- 2.f4#
- 1...Sg5
- 2.f4#
- 1...Rd1
- Tries
- 1.Rxb6?
- threat
- 2.Rxe6#
- 1...Sd4
- 2.f4#
- 1...Sg5
- 2.f4#
- 1...Rd6!
- threat
- 1.Qxc3+?
- 1...R2d4
- 2.Bf4#
- 1...Bd4
- 2.Rxe6#
- 1...Sd4
- 2.f4#
- 1...R5d4!
- 1...R2d4
- 1.Rxb6?
- Keys
- 1.Bh7!
- threat
- 2.Sg6#
- 1...R2d4
- 2.Bf4#
- 1...R5d4
- 2.Qxe6#
- 1...Bd4
- 2.Rxe6#
- 1...Sd4
- 2.f4#
- threat
- 1.Bh7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 17
- Sets
- R(a);OGATE::B(A)
- R(a);OGATE,XP(B)::B(A)
- R(a);OGATE,P_PINS(D)::B(A)
- R(f);OGATE,P_PINS(D),SBLOCK::QAR1(C),XP(i)
- B(h);OGATE,XP(B)::R1(F),XP(i)
- B(h);OGATE::R1(F),XP(i)
- S(d);OGATE::P(B)
- Tries
- Try
- R(F);XB(h)
- Threat
- R1(F),XP(i)
- Vars
- S(d);OGATE::P(B)
- Refutation
- R(f);
- Try
- Q(C);CHECK,XP(c)
- Vars
- R(a);OGATE,P_PINS(D),P_SPINR(a)::B(A)
- B(h);OGATE,P_SPINB(h)::R1(F),XP(i)
- S(d);OGATE,P_SPINS(d)::P(B)
- Refutation
- R(f);P_PINS(D),P_SPINR(f)
- Try
- Actual
- B(G);
- Threat
- S(H)
- Vars
- R(a);OGATE,P_PINS(D)::B(A)
- R(f);OGATE,P_PINS(D),SBLOCK::QAR1(C),XP(i)
- B(h);OGATE::R1(F),XP(i)
- S(d);OGATE::P(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).