MESON Chess Problem Database
Problem Display
PID: 232287 (7b/8/1KB2p1r/2Pr4/3BkPP1/4p1RN/2N5/3R2qn w - - 0 1)
Bottger, Horst
Freie Presse, 1974
#2
10 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qh2
- 2.Rxe3#
- 1...Qxd1
- 2.Rxe3#
- 1...Qf1
- 2.Rxe3#
- 1...Qg2
- 2.Rxe3#
- 1...Sf2
- 2.Rxe3#
- 1...Qh2
- Tries
- 1.Ba1?
- threat
- 2.Bxd5#
- 2.Rd4#
- 1...Qxd1
- 2.Rxe3#
- 1...Qxg3
- 2.Bxd5#
- 1...Rxh3
- 2.Rd4#
- 1...Sxg3
- 2.Bxd5#
- 1...Rh5
- 2.Rd4#
- 1...e2
- 2.Bxd5#
- 1...f5!
- threat
- 1.Bb2?
- threat
- 2.Bxd5#
- 2.Rd4#
- 1...Qxd1
- 2.Rxe3#
- 1...Qxg3
- 2.Bxd5#
- 1...Rxh3
- 2.Rd4#
- 1...Sxg3
- 2.Bxd5#
- 1...Rh5
- 2.Rd4#
- 1...e2
- 2.Bxd5#
- 1...f5!
- threat
- 1.Bc3?
- threat
- 2.Bxd5#
- 2.Rd4#
- 1...Qxd1
- 2.Rxe3#
- 1...Qxg3
- 2.Bxd5#
- 1...Rxh3
- 2.Rd4#
- 1...Sxg3
- 2.Bxd5#
- 1...Rh5
- 2.Rd4#
- 1...e2
- 2.Bxd5#
- 1...f5!
- threat
- 1.Bxe3?
- threat
- 2.Bxd5#
- 2.Rd4#
- 1...Qxe3
- 2.Bxd5#
- 2.Rxe3#
- 1...Qxg3
- 2.Bxd5#
- 1...Sxg3
- 2.Bxd5#
- 1...f5
- 2.Sg5#
- 1...Rh5
- 2.Rd4#
- 1...Qxd1!
- threat
- 1.Be5?
- threat
- 2.Bxd5#
- 2.Rd4#
- 1...Qxd1
- 2.Rxe3#
- 1...Qxg3
- 2.Bxd5#
- 1...Sxg3
- 2.Bxd5#
- 1...f5
- 2.Sg5#
- 2.Rd4#
- 1...e2
- 2.Bxd5#
- 1...fxe5!
- threat
- 1.Ba1?
- Keys
- 1.Bxf6!
- threat
- 2.Bxd5#
- 2.Rd4#
- 1...Qxd1
- 2.Rxe3#
- 1...Qxg3
- 2.Bxd5#
- 1...Rxh3
- 2.Rd4#
- 1...Rxf6
- 2.Rd4#
- 1...Bxf6
- 2.Bxd5#
- 1...Sxg3
- 2.Bxd5#
- 1...Rh5
- 2.Rd4#
- 1...e2
- 2.Bxd5#
- threat
- 1.Bxf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 4
- Sets
- Q(a);N_GUARD::R1(C),XP(c)
- Q(a);N_GUARD,XR(A)::R1(C),XP(c)
- S(b);S_CUTQ(a)::R1(C),XP(c)
- Tries
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- Q(a);N_GUARD,XR(A)::R1(C),XP(c)
- Q(a);XR(C)::B(J),XR(e)
- R(g);XS(D)::R1(A)
- S(b);XR(C)::B(J),XR(e)
- R(g);::R1(A)
- P(c);P_PINP(H)::B(J),XR(e)
- Refutation
- P(f);P_PINB(J)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- Q(a);N_GUARD,XR(A)::R1(C),XP(c)
- Q(a);XR(C)::B(J),XR(e)
- R(g);XS(D)::R1(A)
- S(b);XR(C)::B(J),XR(e)
- R(g);::R1(A)
- P(c);P_PINP(H)::B(J),XR(e)
- Refutation
- P(f);P_PINB(J)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- Q(a);N_GUARD,XR(A)::R1(C),XP(c)
- Q(a);XR(C)::B(J),XR(e)
- R(g);XS(D)::R1(A)
- S(b);XR(C)::B(J),XR(e)
- R(g);::R1(A)
- P(c);P_PINP(H)::B(J),XR(e)
- Refutation
- P(f);P_PINB(J)
- Try
- B(E);XP(c)
- Threat
- DUALS(2)
- Vars
- Q(a);XR(C)::B(J),XR(e)
- S(b);XR(C)::B(J),XR(e)
- P(f);N_GUARD,P_PINB(J)::S(D)
- R(g);::R1(A)
- Refutation
- Q(a);XR(A)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- Q(a);N_GUARD,XR(A)::R1(C),XP(c)
- Q(a);XR(C)::B(J),XR(e)
- S(b);XR(C)::B(J),XR(e)
- P(c);P_PINP(H)::B(J),XR(e)
- Refutation
- P(f);P_PINB(J),XB(E)
- Try
- Actual
- B(E);XP(f)
- Threat
- DUALS(2)
- Vars
- Q(a);N_GUARD,XR(A)::R1(C),XP(c)
- Q(a);XR(C)::B(J),XR(e)
- R(g);XS(D)::R1(A)
- R(g);P_PINB(J),XB(E)::R1(A)
- B(h);XB(E)::B(J),XR(e)
- S(b);XR(C)::B(J),XR(e)
- R(g);::R1(A)
- P(c);P_PINP(H)::B(J),XR(e)
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).