MESON Chess Problem Database
Problem Display
PID: 204675 (5N2/2p2N2/5p2/5kb1/2p2B2/2pb1BPP/2P5/3R2K1 w - - 0 1)
Benndorf, Gunter
Freie Presse, 1978
#2
9 + 7
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Bf1
- 2.Rd5#
- 1...Bxc2
- 2.Rd5#
- 1...Be2
- 2.Rd5#
- 1...Be4
- 2.Bg4#
- 1...Bxf4
- 2.g4#
- 1...Bh4
- 2.Sh6#
- 1...Bh6
- 2.Sxh6#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...Bf1
- Tries
- 1.Kh1?
- 1...Bxc2
- 2.Rd5#
- 1...Bxf4
- 2.g4#
- 1...Bf1
- 2.Rd5#
- 1...Be2
- 2.Rd5#
- 1...Bh4
- 2.Sh6#
- 1...Bh6
- 2.Sxh6#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...Be4!
- 1...Bxc2
- 1.Kh2?
- 1...Bxc2
- 2.Rd5#
- 1...Be4
- 2.Bg4#
- 1...Bf1
- 2.Rd5#
- 1...Be2
- 2.Rd5#
- 1...Bh4
- 2.Sh6#
- 1...Bh6
- 2.Sxh6#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...Bxf4!
- 1...Bxc2
- 1.Sxg5?
- threat
- 2.Bg4#
- 1...Be2
- 2.Be4#
- 2.Rd5#
- 1...fxg5!
- threat
- 1.Bh1?
- 1...Bxc2
- 2.Rd5#
- 1...Bxf4
- 2.g4#
- 1...Bf1
- 2.Rd5#
- 1...Be2
- 2.Rd5#
- 1...Bh4
- 2.Sh6#
- 1...Bh6
- 2.Sxh6#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...Be4!
- 1...Bxc2
- 1.Bg2?
- 1...Bxc2
- 2.Rd5#
- 1...Bxf4
- 2.g4#
- 1...Bf1
- 2.Rd5#
- 1...Be2
- 2.Rd5#
- 1...Bh4
- 2.Sh6#
- 1...Bh6
- 2.Sxh6#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...Be4!
- 1...Bxc2
- 1.Rd2?
- 1...Bxc2
- 2.Rd5#
- 1...Bxf4
- 2.g4#
- 1...Bf1
- 2.Rd5#
- 1...Be2
- 2.Rd5#
- 1...Be4
- 2.Bg4#
- 1...Bh4
- 2.Sh6#
- 1...Bh6
- 2.Sxh6#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...cxd2!
- 1...Bxc2
- 1.Rxd3?
- threat
- 2.Rd5#
- 1...Bxf4
- 2.g4#
- 1...c6
- 2.Sd6#
- 1...cxd3!
- threat
- 1.h4?
- 1...Bxc2
- 2.Rd5#
- 1...Bxf4
- 2.g4#
- 1...Bxh4
- 2.Sh6#
- 1...Bf1
- 2.Rd5#
- 1...Be2
- 2.Rd5#
- 1...Bh6
- 2.Sxh6#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...Be4!
- 1...Bxc2
- 1.Kh1?
- Keys
- 1.Kf2!
- 1...Bxc2
- 2.Rd5#
- 1...Bxf4
- 2.g4#
- 1...Bf1
- 2.Rd5#
- 1...Be2
- 2.Rd5#
- 1...Be4
- 2.Bg4#
- 1...Bh4
- 2.Sh6#
- 1...Bh6
- 2.Sxh6#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...Bxc2
- 1.Kf2!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(b);OGATE::R(A)
- B(b);OGATE,XP(C)::R(A)
- B(b);SBLOCK::B(D)
- B(e);SBLOCK,XB(G)::P(E)
- B(e);N_GUARD::S(H)
- B(e);N_GUARD::S(H),XB(e)
- P(g);N_GUARD::S(H)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- B(b);OGATE,XP(C)::R(A)
- B(e);SBLOCK,XB(G)::P(E)
- B(b);OGATE::R(A)
- B(e);N_GUARD::S(H)
- B(e);N_GUARD::S(H),XB(e)
- P(g);N_GUARD::S(H)
- Refutation
- B(b);P_PINB(D)
- Try
- K(B);S_FLIGHT
- Vars
- B(b);OGATE,XP(C)::R(A)
- B(b);SBLOCK::B(D)
- B(b);OGATE::R(A)
- B(e);N_GUARD::S(H)
- B(e);N_GUARD::S(H),XB(e)
- P(g);N_GUARD::S(H)
- Refutation
- B(e);P_PINP(E),XB(G)
- Try
- S(H);XB(e)
- Threat
- B(D)
- Refutation
- P(f);XS(H)
- Try
- B(D);
- Vars
- B(b);OGATE,XP(C)::R(A)
- B(e);SBLOCK,XB(G)::P(E)
- B(b);OGATE::R(A)
- B(e);N_GUARD::S(H)
- B(e);N_GUARD::S(H),XB(e)
- P(g);N_GUARD::S(H)
- Refutation
- B(b);
- Try
- B(D);
- Vars
- B(b);OGATE,XP(C)::R(A)
- B(e);SBLOCK,XB(G)::P(E)
- B(b);OGATE::R(A)
- B(e);N_GUARD::S(H)
- B(e);N_GUARD::S(H),XB(e)
- P(g);N_GUARD::S(H)
- Refutation
- B(b);
- Try
- R(A);
- Vars
- B(b);OGATE,XP(C)::R(A)
- B(e);SBLOCK,XB(G)::P(E)
- B(b);OGATE::R(A)
- B(b);SBLOCK::B(D)
- B(e);N_GUARD::S(H)
- B(e);N_GUARD::S(H),XB(e)
- P(g);N_GUARD::S(H)
- Refutation
- P(a);XR(A)
- Try
- R(A);XB(b)
- Threat
- R(A)
- Vars
- B(e);SBLOCK,XB(G)::P(E)
- P(g);N_GUARD::S(H)
- Refutation
- P(c);XR(A)
- Try
- P(F);
- Vars
- B(b);OGATE,XP(C)::R(A)
- B(e);SBLOCK,XB(G)::P(E)
- B(e);N_GUARD,XP(F)::S(H)
- B(b);OGATE::R(A)
- B(e);N_GUARD::S(H),XB(e)
- P(g);N_GUARD::S(H)
- Refutation
- B(b);
- Try
- Actual
- K(B);S_FLIGHT
- Vars
- B(b);OGATE,XP(C)::R(A)
- B(e);SBLOCK,XB(G)::P(E)
- B(b);OGATE::R(A)
- B(b);SBLOCK::B(D)
- B(e);N_GUARD,P_PINP(E)::S(H)
- B(e);N_GUARD::S(H),XB(e)
- P(g);N_GUARD::S(H)
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).