MESON Chess Problem Database
Problem Display
PID: 216866 (Bb3N2/pbP1RP2/pk2p3/p3Np2/P2P1K2/8/8/8 w - - 0 1)
Kraemer, Adolf Herrmann Rudolf Ferdinand
Funkschach, 1926
#2
9 + 8
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Bh1
- 2.Sc4#
- 2.c8S#
- 1...Bg2
- 2.Sc4#
- 2.c8S#
- 1...Bf3
- 2.Sc4#
- 2.c8S#
- 1...Be4
- 2.Sc4#
- 2.c8S#
- 1...Bd5
- 2.c8S#
- 1...Bc6
- 2.Sc4#
- 2.c8S#
- 1...Bxa8
- 2.c8S#
- 1...Bc8
- 2.Sc4#
- 1...Bxc7
- 2.Sd7#
- 1...Bh1
- Tries
- 1.Ke3?
- 1...Bxa8
- 2.c8S#
- 1...Bxc7
- 2.Sfd7#
- 1...Bh1
- 2.Sc4#
- 2.c8S#
- 1...Bg2
- 2.Sc4#
- 2.c8S#
- 1...Bf3
- 2.Sc4#
- 2.c8S#
- 1...Be4
- 2.Sc4#
- 2.c8S#
- 1...Bd5
- 2.c8S#
- 1...Bc6
- 2.Sc4#
- 2.c8S#
- 1...Bc8
- 2.Sc4#
- 1...f4+!
- 1...Bxa8
- 1.Kg3?
- 1...Bxa8
- 2.c8S#
- 1...Bxc7
- 2.Sd7#
- 1...Bh1
- 2.Sc4#
- 2.c8S#
- 1...Bg2
- 2.Sc4#
- 2.c8S#
- 1...Bf3
- 2.Sc4#
- 2.c8S#
- 1...Be4
- 2.Sc4#
- 2.c8S#
- 1...Bd5
- 2.c8S#
- 1...Bc6
- 2.Sc4#
- 2.c8S#
- 1...Bc8
- 2.Sc4#
- 1...f4+!
- 1...Bxa8
- 1.Kg5?
- 1...Bxa8
- 2.c8S#
- 1...Bxc7
- 2.Sfd7#
- 1...Bh1
- 2.Sc4#
- 2.c8S#
- 1...Bg2
- 2.Sc4#
- 2.c8S#
- 1...Bf3
- 2.Sc4#
- 2.c8S#
- 1...Be4
- 2.Sc4#
- 2.c8S#
- 1...Bd5
- 2.c8S#
- 1...Bc6
- 2.Sc4#
- 2.c8S#
- 1...Bc8
- 2.Sc4#
- 1...f4!
- 1...Bxa8
- 1.Sxe6?
- 1...Bxa8
- 2.c8S#
- 1...Bh1
- 2.Sc4#
- 2.Sd7#
- 2.c8S#
- 1...Bg2
- 2.Sc4#
- 2.Sd7#
- 2.c8S#
- 1...Bf3
- 2.Sc4#
- 2.Sd7#
- 2.c8S#
- 1...Be4
- 2.Sc4#
- 2.Sd7#
- 2.c8S#
- 1...Bd5
- 2.Sd7#
- 2.c8S#
- 1...Bc6
- 2.Sc4#
- 2.c8S#
- 1...Bc8
- 2.Sc4#
- 1...Bxc7!
- 1...Bxa8
- 1.Sfg6?
- 1...Bxa8
- 2.c8S#
- 1...Bh1
- 2.Sc4#
- 2.c8S#
- 1...Bg2
- 2.Sc4#
- 2.c8S#
- 1...Bf3
- 2.Sc4#
- 2.c8S#
- 1...Be4
- 2.Sc4#
- 2.c8S#
- 1...Bd5
- 2.c8S#
- 1...Bc6
- 2.Sc4#
- 2.c8S#
- 1...Bc8
- 2.Sc4#
- 1...Bxc7!
- 1...Bxa8
- 1.Sh7?
- 1...Bxa8
- 2.c8S#
- 1...Bh1
- 2.Sc4#
- 2.c8S#
- 1...Bg2
- 2.Sc4#
- 2.c8S#
- 1...Bf3
- 2.Sc4#
- 2.c8S#
- 1...Be4
- 2.Sc4#
- 2.c8S#
- 1...Bd5
- 2.c8S#
- 1...Bc6
- 2.Sc4#
- 2.c8S#
- 1...Bc8
- 2.Sc4#
- 1...Bxc7!
- 1...Bxa8
- 1.Rxe6+?
- 1...Bc6
- 2.Rxc6#
- 2.cxb8Q#
- 1...Kxc7!
- 1...Bc6
- 1.Rd7?
- 1...Bxa8
- 2.c8S#
- 1...Bh1
- 2.Sc4#
- 2.c8S#
- 1...Bg2
- 2.Sc4#
- 2.c8S#
- 1...Bf3
- 2.Sc4#
- 2.c8S#
- 1...Be4
- 2.Sc4#
- 2.c8S#
- 1...Bd5
- 2.c8S#
- 1...Bc6
- 2.Sc4#
- 2.c8S#
- 1...Bc8
- 2.Sc4#
- 1...Bxc7!
- 1...Bxa8
- 1.cxb8S?
- threat
- 2.Sc4#
- 2.Rxb7#
- 1...Bxa8
- 2.Sc4#
- 1...Bh1
- 2.Sc4#
- 1...Bg2
- 2.Sc4#
- 1...Bf3
- 2.Sc4#
- 1...Be4
- 2.Sc4#
- 1...Bc6
- 2.Sc4#
- 1...Bc8
- 2.Sc4#
- 1...Bd5!
- threat
- 1.Ke3?
- Keys
- 1.cxb8B!
- threat
- 2.Sfd7#
- 2.Bc7#
- 2.Rxb7#
- 1...Bxa8
- 2.Bxa7#
- 1...Bh1
- 2.Sc4#
- 2.Sed7#
- 2.Sfd7#
- 2.Bxa7#
- 2.Bc7#
- 1...Bg2
- 2.Sc4#
- 2.Sed7#
- 2.Sfd7#
- 2.Bxa7#
- 2.Bc7#
- 1...Bf3
- 2.Sc4#
- 2.Sed7#
- 2.Sfd7#
- 2.Bxa7#
- 2.Bc7#
- 1...Be4
- 2.Sc4#
- 2.Sed7#
- 2.Sfd7#
- 2.Bxa7#
- 2.Bc7#
- 1...Bd5
- 2.Sed7#
- 2.Sfd7#
- 2.Bxa7#
- 2.Bc7#
- 1...Bc6
- 2.Sc4#
- 2.Bxa7#
- 2.Bc7#
- 1...Bc8
- 2.Sc4#
- 2.Bxa7#
- 2.Bc7#
- threat
- 1.cxb8B!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- B(g);N_GUARD::P=S
- B(g);N_GUARD,XB(H)::P=S
- B(g);::S(D)
- B(h);P_PINS(D),SBLOCK,XP(E)::S(I)
- Tries
- Try
- K(C);S_FLIGHT
- Vars
- B(g);N_GUARD,XB(H)::P=S
- B(h);SBLOCK,XP(E)::S(I)
- B(g);N_GUARD::P=S
- B(g);::S(D)
- Refutation
- P(b);CHECK
- Try
- K(C);S_FLIGHT
- Vars
- B(g);N_GUARD,XB(H)::P=S
- B(h);P_PINS(D),SBLOCK,XP(E)::S(I)
- B(g);N_GUARD::P=S
- B(g);::S(D)
- Refutation
- P(b);CHECK
- Try
- K(C);S_FLIGHT
- Vars
- B(g);N_GUARD,XB(H)::P=S
- B(h);SBLOCK,XP(E)::S(I)
- B(g);N_GUARD::P=S
- B(g);::S(D)
- Refutation
- P(b);
- Try
- S(I);XP(e)
- Vars
- B(g);N_GUARD,XB(H)::P=S
- B(g);::S(D)
- Refutation
- B(h);P_PINS(D),XP(E)
- Try
- S(I);
- Vars
- B(g);N_GUARD,XB(H)::P=S
- B(g);N_GUARD::P=S
- B(g);::S(D)
- Refutation
- B(h);P_PINS(D),XP(E)
- Try
- S(I);
- Vars
- B(g);N_GUARD,XB(H)::P=S
- B(g);N_GUARD::P=S
- B(g);::S(D)
- Refutation
- B(h);P_PINS(D),XP(E)
- Try
- R(F);CHECK,XP(e)
- Refutation
- K(d);S_FLIGHT,XP(E)
- Try
- R(F);
- Vars
- B(g);N_GUARD,XB(H)::P=S
- B(g);N_GUARD::P=S
- B(g);::S(D)
- Refutation
- B(h);P_PINS(D),XP(E)
- Try
- P(E);XB(h)
- Threat
- DUALS(2)
- Vars
- B(g);XB(H)::S(D)
- B(g);::S(D)
- Refutation
- B(g);
- Try
- Actual
- P(E);XB(h)
- Threat
- DUALS(3)
- Vars
- B(g);XB(H)::B(E),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).