MESON Chess Problem Database
Problem Display
PID: 226625 (3RKR2/2p1p2N/n1p1k1p1/1p5p/7r/6Q1/4rP2/Bbb4B w - - 0 1)
Bernard, Edmond
The Problemist, 1978
#2
8 + 12
| 16895 | Schweizer Schachkompositionen (1976-1986) (Henneberger) | 1989 |
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Qe5#
- 1...Rc2
- 2.Qe5#
- 2.Qxg6#
- 1...Rd2
- 2.Sg5#
- 2.Qe5#
- 1...Rxf2
- 2.Qe5#
- 1...Re3
- 2.Sg5#
- 1...Ree4
- 2.Qxg6#
- 1...Re5
- 2.Qxe5#
- 1...Rxh1
- 2.Qb3#
- 1...Rh2
- 2.Qb3#
- 1...Rhe4
- 2.Qxg6#
- 1...Rf4
- 2.Sg5#
- 1...Ba2
- 2.Qxg6#
- 1...Be4
- 2.Qe5#
- 1...Bb2
- 2.Sg5#
- 1...Ba3
- 2.Sg5#
- 1...Be3
- 2.Qe5#
- 1...Bf4
- 2.Qb3#
- 1...Bg5
- 2.Sxg5#
- 1...c5
- 2.Bd5#
- 1...Ra2
- Tries
- 1.Be4?
- threat
- 2.Qe5#
- 2.Qb3#
- 2.Qxg6#
- 1...Rxf2
- 2.Qe5#
- 2.Qb3#
- 1...Rexe4
- 2.Qxg6#
- 1...Rhxe4
- 2.Qxg6#
- 1...Bxe4
- 2.Qe5#
- 1...Rc2
- 2.Qe5#
- 2.Qxg6#
- 1...Rd2
- 2.Sg5#
- 2.Qe5#
- 2.Qxg6#
- 1...Re3
- 2.Sg5#
- 2.Qe5#
- 2.Qxg6#
- 1...Rh3
- 2.Qe5#
- 2.Qxh3#
- 2.Qxg6#
- 1...Rf4
- 2.Sg5#
- 2.Qb3#
- 1...Rg4
- 2.Qe5#
- 2.Qb3#
- 1...Ba2
- 2.Qe5#
- 2.Qxg6#
- 1...Bc2
- 2.Qe5#
- 2.Qxg6#
- 1...Bd3
- 2.Qe5#
- 2.Qxg6#
- 1...Bb2
- 2.Sg5#
- 1...Be3
- 2.Qe5#
- 2.Qxg6#
- 1...Bf4
- 2.Qb3#
- 2.Qxg6#
- 1...Bg5
- 2.Sxg5#
- 2.Qe5#
- 2.Qb3#
- 1...Sb4
- 2.Qe5#
- 2.Qxg6#
- 1...Sc5
- 2.Qe5#
- 2.Qxg6#
- 1...c5
- 2.Bd5#
- 2.Qe5#
- 2.Qxg6#
- 1...g5
- 2.Qe5#
- 2.Qb3#
- 1...Rb2!
- threat
- 1.Rd6+?
- 1...exd6
- 2.Rf6#
- 1...cxd6!
- 1...exd6
- 1.Qf4?
- threat
- 2.Sg5#
- 2.Qf7#
- 1...Rxf2
- 2.Sg5#
- 2.Qe5#
- 1...Rxf4
- 2.Sg5#
- 1...Rb2
- 2.Sg5#
- 1...Re5
- 2.Qxe5#
- 2.Qf7#
- 1...Rg4
- 2.Qf7#
- 1...Bf5
- 2.Sg5#
- 1...Bb2
- 2.Sg5#
- 1...g5
- 2.Sxg5#
- 2.Qf7#
- 1...Bxf4!
- threat
- 1.Qxh4?
- threat
- 2.Qxe7#
- 1...Ba3
- 2.Sg5#
- 1...Bg5
- 2.Sxg5#
- 1...g5!
- threat
- 1.Qd6+?
- 1...exd6
- 2.Rf6#
- 1...cxd6!
- 1...exd6
- 1.Qxc7?
- threat
- 2.Qxc6#
- 2.Qd7#
- 2.Qxe7#
- 2.Qc8#
- 1...Rb2
- 2.Qxe7#
- 1...Rc2
- 2.Qe5#
- 2.Qd7#
- 2.Qxe7#
- 2.Qc8#
- 1...Rd2
- 2.Sg5#
- 2.Qe5#
- 2.Qxe7#
- 1...Rc4
- 2.Qd7#
- 2.Qxe7#
- 2.Qc8#
- 1...Rd4
- 2.Qxe7#
- 1...Be4
- 2.Qe5#
- 2.Qd7#
- 2.Qxe7#
- 2.Qc8#
- 1...Bb2
- 2.Sg5#
- 2.Qxe7#
- 1...Ba3
- 2.Sg5#
- 2.Qd7#
- 2.Qc8#
- 1...Bf4
- 2.Qd7#
- 2.Qxe7#
- 2.Qc8#
- 1...Bg5
- 2.Sxg5#
- 2.Qxc6#
- 2.Qd7#
- 2.Qc8#
- 1...Sb4
- 2.Qd7#
- 2.Qxe7#
- 2.Qc8#
- 1...Sc5
- 2.Qxc6#
- 2.Qxe7#
- 1...Sb8
- 2.Qxe7#
- 1...c5
- 2.Bd5#
- 2.Qb6#
- 2.Qc6#
- 2.Qd7#
- 2.Qxe7#
- 2.Qc8#
- 1...Sxc7+!
- threat
- 1.Qe3+?
- 1...Rxe3
- 2.Sg5#
- 1...Re4
- 2.Sg5#
- 1...Be4
- 2.Sg5#
- 1...Bxe3!
- 1...Rxe3
- 1.Qg5?
- threat
- 2.Qxe7#
- 1...Bxg5
- 2.Sxg5#
- 1...Ba3!
- threat
- 1.f4?
- threat
- 2.Sg5#
- 2.Qb3#
- 1...Rxf4
- 2.Sg5#
- 1...Bxf4
- 2.Qb3#
- 1...Rb2
- 2.Sg5#
- 1...Rc2
- 2.Sg5#
- 2.Qxg6#
- 1...Rd2
- 2.Sg5#
- 1...Re3
- 2.Sg5#
- 1...Re4
- 2.Sg5#
- 2.Qxg6#
- 1...Rh3
- 2.Sg5#
- 1...Rg4
- 2.Qb3#
- 1...Ba2
- 2.Sg5#
- 2.Qxg6#
- 1...Bc2
- 2.Sg5#
- 1...Bd3
- 2.Sg5#
- 1...Be4
- 2.Sg5#
- 1...Be3
- 2.Sg5#
- 1...Sb4
- 2.Sg5#
- 1...Sc5
- 2.Sg5#
- 1...c5
- 2.Sg5#
- 2.Bd5#
- 1...g5
- 2.Sxg5#
- 2.Qb3#
- 1...Re5!
- threat
- 1.Be4?
- Keys
- 1.Rd7!
- threat
- 2.Rxe7#
- 1...Rxh1
- 2.Qb3#
- 1...Ree4
- 2.Qxg6#
- 1...Re5
- 2.Qxe5#
- 1...Rhe4
- 2.Qxg6#
- 1...Rf4
- 2.Sg5#
- 1...Be4
- 2.Qe5#
- 1...Ba3
- 2.Sg5#
- 1...Bf4
- 2.Qb3#
- 1...Bg5
- 2.Sxg5#
- threat
- 1.Rd7!
This is a version
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 8
- Sets
- R(c);N_GUARD::QAR1(D)
- R(c);N_GUARD,XP(C)::QAR1(D)
- R(c);S_CUTB(b)::S(E)
- R(c);S_CUTB(a)::QAR2(D),XP(j)
- R(c);N_GUARD::QAR1(D),XR(c)
- R(d);N_GUARD,XB(B)::QAB(D)
- R(d);N_GUARD::QAB(D)
- R(d);S_CUTB(a)::QAR2(D),XP(j)
- R(d);S_CUTB(b)::S(E)
- B(a);N_GUARD::QAR2(D),XP(j)
- B(a);S_CUTR(c)::QAR1(D)
- B(b);N_GUARD::S(E)
- B(b);S_CUTR(c)::QAR1(D)
- B(b);S_CUTR(d)::QAB(D)
- B(b);N_GUARD::S(E),XB(b)
- P(h);N_GUARD::B(B)
- Tries
- Try
- B(B);
- Threat
- DUALS(3)
- Vars
- R(c);XB(B)::QAR2(D),XP(j)
- R(d);XB(B)::QAR2(D),XP(j)
- B(a);XB(B)::QAR1(D)
- B(b);N_GUARD::S(E)
- Refutation
- R(c);
- Try
- R(F);CHECK
- Vars
- P(l);XR(F)::R1(H)
- Refutation
- P(k);XR(F)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- R(d);XQ(D)::S(E)
- R(c);::S(E)
- R(d);::QAB1(D)
- B(a);::S(E)
- B(b);::S(E)
- Refutation
- B(b);XQ(D)
- Try
- Q(D);XR(d)
- Threat
- QAR1(D),XP(l)
- Vars
- B(b);N_GUARD::S(E)
- B(b);N_GUARD::S(E),XB(b)
- Refutation
- P(j);
- Try
- Q(D);CHECK
- Vars
- P(l);XQ(D)::R1(H)
- Refutation
- P(k);XQ(D)
- Try
- Q(D);XP(k)
- Threat
- DUALS(4)
- Vars
- R(c);::QAR1(D),XP(l)
- R(d);::QAR1(D),XP(l)
- S(g);::QAR1(D),XP(l)
- Refutation
- S(g);CHECK,XQ(D)
- Try
- Q(D);CHECK
- Vars
- R(c);XQ(D)::S(E)
- R(d);P_SPINR(d)::S(E)
- B(a);P_SPINB(a)::S(E)
- Refutation
- B(b);XQ(D)
- Try
- Q(D);
- Threat
- QAR1(D),XP(l)
- Vars
- B(b);XQ(D)::S(E),XB(b)
- Refutation
- B(b);
- Try
- P(C);
- Threat
- DUALS(2)
- Vars
- R(d);XP(C)::S(E)
- B(b);XP(C)::QAB(D)
- R(c);::S(E)
- R(d);::S(E)
- R(d);::QAB(D)
- B(a);::S(E)
- B(b);::S(E)
- S(g);::S(E)
- Refutation
- R(c);
- Try
- Actual
- R(F);
- Threat
- R1(F),XP(l)
- Vars
- R(d);N_GUARD,XB(B)::QAB(D)
- R(c);S_CUTB(a)::QAR2(D),XP(j)
- R(c);N_GUARD::QAR1(D),XR(c)
- R(d);S_CUTB(a)::QAR2(D),XP(j)
- R(d);S_CUTB(b)::S(E)
- B(a);S_CUTR(c)::QAR1(D)
- B(b);N_GUARD::S(E)
- B(b);S_CUTR(d)::QAB(D)
- B(b);N_GUARD::S(E),XB(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).