MESON Chess Problem Database
Problem Display
PID: 229696 (2B2N2/5n1K/2P2Rp1/1rPkP1p1/Q1bP4/2p2P2/6N1/6B1 w - - 0 1)
Berg, Wolfgang
Freie Presse, 1990
#2
12 + 7
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Be6#
- 1...Rb2
- 2.Be6#
- 1...Rb3
- 2.Be6#
- 1...Rb4
- 2.Be6#
- 1...Ra5
- 2.Be6#
- 1...Rxc5
- 2.Be6#
- 1...Rb6
- 2.Be6#
- 1...Rb7
- 2.Be6#
- 1...Rb8
- 2.Be6#
- 1...Bf1
- 2.Se3#
- 1...Ba2
- 2.Se3#
- 1...Be2
- 2.Se3#
- 1...Bb3
- 2.Se3#
- 1...Bd3
- 2.Se3#
- 1...Sxe5
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Sh6
- 2.Rd6#
- 1...Sd8
- 2.Rd6#
- 1...Sh8
- 2.Rd6#
- 1...g4
- 2.Sf4#
- 1...Rb1
- Tries
- 1.Kg7?
- 1...Rxc5
- 2.Be6#
- 1...Sxe5
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Rb1
- 2.Be6#
- 1...Rb2
- 2.Be6#
- 1...Rb3
- 2.Be6#
- 1...Rb4
- 2.Be6#
- 1...Ra5
- 2.Be6#
- 1...Rb6
- 2.Be6#
- 1...Rb7
- 2.Be6#
- 1...Rb8
- 2.Be6#
- 1...Bf1
- 2.Se3#
- 1...Ba2
- 2.Se3#
- 1...Be2
- 2.Se3#
- 1...Bb3
- 2.Se3#
- 1...Bd3
- 2.Se3#
- 1...Sh6
- 2.Rd6#
- 1...Sd8
- 2.Rd6#
- 1...Sh8
- 2.Rd6#
- 1...g4
- 2.Sf4#
- 1...c2!
- 1...Rxc5
- 1.Bf2?
- 1...Rxc5
- 2.Be6#
- 1...Sxe5
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Rb1
- 2.Be6#
- 1...Rb2
- 2.Be6#
- 1...Rb3
- 2.Be6#
- 1...Rb4
- 2.Be6#
- 1...Ra5
- 2.Be6#
- 1...Rb6
- 2.Be6#
- 1...Rb7
- 2.Be6#
- 1...Rb8
- 2.Be6#
- 1...Bf1
- 2.Se3#
- 1...Ba2
- 2.Se3#
- 1...Be2
- 2.Se3#
- 1...Bb3
- 2.Se3#
- 1...Bd3
- 2.Se3#
- 1...Sh6
- 2.Rd6#
- 1...Sd8
- 2.Rd6#
- 1...Sh8
- 2.Rd6#
- 1...g4
- 2.Sf4#
- 1...c2!
- 1...Rxc5
- 1.Bh3?
- 1...Rxc5
- 2.Be6#
- 1...Sxe5
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Rb1
- 2.Be6#
- 1...Rb2
- 2.Be6#
- 1...Rb3
- 2.Be6#
- 1...Rb4
- 2.Be6#
- 1...Ra5
- 2.Be6#
- 1...Rb6
- 2.Be6#
- 1...Rb7
- 2.Be6#
- 1...Rb8
- 2.Be6#
- 1...Bf1
- 2.Se3#
- 1...Ba2
- 2.Se3#
- 1...Be2
- 2.Se3#
- 1...Bb3
- 2.Se3#
- 1...Bd3
- 2.Se3#
- 1...Sh6
- 2.Rd6#
- 1...Sd8
- 2.Rd6#
- 1...Sh8
- 2.Rd6#
- 1...g4
- 2.Sf4#
- 1...c2!
- 1...Rxc5
- 1.Bg4?
- 1...Rxc5
- 2.Be6#
- 1...Sxe5
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Rb1
- 2.Be6#
- 1...Rb2
- 2.Be6#
- 1...Rb3
- 2.Be6#
- 1...Rb4
- 2.Be6#
- 1...Ra5
- 2.Be6#
- 1...Rb6
- 2.Be6#
- 1...Rb7
- 2.Be6#
- 1...Rb8
- 2.Be6#
- 1...Bf1
- 2.Se3#
- 1...Ba2
- 2.Se3#
- 1...Be2
- 2.Se3#
- 1...Bb3
- 2.Se3#
- 1...Bd3
- 2.Se3#
- 1...Sh6
- 2.Rd6#
- 1...Sd8
- 2.Rd6#
- 1...Sh8
- 2.Rd6#
- 1...c2!
- 1...Rxc5
- 1.Bf5?
- threat
- 2.Be4#
- 1...Sd6
- 2.Rxd6#
- 1...Bd3
- 2.Se3#
- 1...gxf5!
- threat
- 1.Bd7?
- 1...Rxc5
- 2.Be6#
- 1...Sxe5
- 2.Rd6#
- 1...Rb1
- 2.Be6#
- 1...Rb2
- 2.Be6#
- 1...Rb3
- 2.Be6#
- 1...Rb4
- 2.Be6#
- 1...Ra5
- 2.Be6#
- 1...Rb6
- 2.Be6#
- 1...Rb7
- 2.Be6#
- 1...Rb8
- 2.Be6#
- 1...Bf1
- 2.Se3#
- 1...Ba2
- 2.Se3#
- 1...Be2
- 2.Se3#
- 1...Bb3
- 2.Se3#
- 1...Bd3
- 2.Se3#
- 1...Sd6
- 2.Rxd6#
- 1...Sh6
- 2.Rd6#
- 1...Sd8
- 2.Rd6#
- 1...Sh8
- 2.Rd6#
- 1...g4
- 2.Sf4#
- 1...c2!
- 1...Rxc5
- 1.Rxg6?
- 1...Rxc5
- 2.Be6#
- 1...Sxe5
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Rb1
- 2.Be6#
- 1...Rb2
- 2.Be6#
- 1...Rb3
- 2.Be6#
- 1...Rb4
- 2.Be6#
- 1...Ra5
- 2.Be6#
- 1...Rb6
- 2.Be6#
- 1...Rb7
- 2.Be6#
- 1...Rb8
- 2.Be6#
- 1...Bf1
- 2.Se3#
- 1...Ba2
- 2.Se3#
- 1...Be2
- 2.Se3#
- 1...Bb3
- 2.Se3#
- 1...Bd3
- 2.Se3#
- 1...Sh6
- 2.Rd6#
- 1...Sd8
- 2.Rd6#
- 1...Sh8
- 2.Rd6#
- 1...g4
- 2.Sf4#
- 1...c2!
- 1...Rxc5
- 1.Qd1?
- threat
- 2.Se3#
- 1...Sd6
- 2.Rxd6#
- 1...Bd3!
- threat
- 1.Qxb5?
- threat
- 2.Be6#
- 1...Sd8
- 2.Rd6#
- 1...Bxb5!
- threat
- 1.Qa6?
- threat
- 2.Be6#
- 1...Sd8
- 2.Rd6#
- 1...Rb6!
- threat
- 1.Qa7?
- threat
- 2.Qxf7#
- 1...Sxe5
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Sh6
- 2.Rd6#
- 2.Qd7#
- 1...Sd8
- 2.Rd6#
- 2.Qd7#
- 1...Sh8
- 2.Rd6#
- 2.Qd7#
- 1...Rb7!
- threat
- 1.Qa8?
- threat
- 2.Be6#
- 1...Sd8
- 2.Rd6#
- 1...Rb7!
- threat
- 1.Kg7?
- Keys
- 1.Sxg6!
- threat
- 2.Se7#
- 1...Rb7
- 2.Be6#
- 1...Bd3
- 2.Se3#
- threat
- 1.Sxg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 18
- Sets
- R(c);::B(K)
- R(c);XP(F)::B(K)
- B(b);::S(B)
- S(g);N_GUARD,XP(G)::R1(I)
- S(g);N_GUARD::R1(I),XS(g)
- S(g);N_GUARD::R1(I)
- P(e);N_GUARD::S(B)
- Tries
- Try
- K(J);P-FLIGHT
- Vars
- R(c);XP(F)::B(K)
- S(g);N_GUARD,XP(G)::R1(I)
- S(g);N_GUARD::R1(I),XS(g)
- R(c);::B(K)
- B(b);::S(B)
- S(g);N_GUARD::R1(I)
- P(e);N_GUARD::S(B)
- Refutation
- P(a);
- Try
- B(A);
- Vars
- R(c);XP(F)::B(K)
- S(g);N_GUARD,XP(G)::R1(I)
- S(g);N_GUARD::R1(I),XS(g)
- R(c);::B(K)
- B(b);::S(B)
- S(g);N_GUARD::R1(I)
- P(e);N_GUARD::S(B)
- Refutation
- P(a);
- Try
- B(K);
- Vars
- R(c);XP(F)::B(K)
- S(g);N_GUARD,XP(G)::R1(I)
- S(g);N_GUARD::R1(I),XS(g)
- R(c);::B(K)
- B(b);::S(B)
- S(g);N_GUARD::R1(I)
- P(e);N_GUARD::S(B)
- Refutation
- P(a);
- Try
- B(K);
- Vars
- R(c);XP(F)::B(K)
- S(g);N_GUARD,XP(G)::R1(I)
- S(g);N_GUARD::R1(I),XS(g)
- R(c);::B(K)
- B(b);::S(B)
- S(g);N_GUARD::R1(I)
- Refutation
- P(a);
- Try
- B(K);
- Threat
- B(K)
- Vars
- S(g);N_GUARD::R1(I),XS(g)
- B(b);::S(B)
- Refutation
- P(f);XB(K)
- Try
- B(K);
- Vars
- R(c);XP(F)::B(K)
- S(g);N_GUARD,XP(G)::R1(I)
- R(c);::B(K)
- B(b);::S(B)
- S(g);N_GUARD::R1(I),XS(g)
- S(g);N_GUARD::R1(I)
- P(e);N_GUARD::S(B)
- Refutation
- P(a);
- Try
- R(I);XP(f)
- Vars
- R(c);XP(F)::B(K)
- S(g);N_GUARD,XP(G)::R1(I)
- S(g);N_GUARD::R1(I),XS(g)
- R(c);::B(K)
- B(b);::S(B)
- B(b);P_PINR(I)::S(B)
- S(g);N_GUARD::R1(I)
- P(e);N_GUARD::S(B)
- Refutation
- P(a);
- Try
- Q(D);
- Threat
- S(B)
- Vars
- S(g);N_GUARD::R1(I),XS(g)
- Refutation
- B(b);
- Try
- Q(D);XR(c)
- Threat
- B(K)
- Vars
- S(g);N_GUARD::R1(I)
- Refutation
- B(b);XQ(D)
- Try
- Q(D);
- Threat
- B(K)
- Vars
- S(g);N_GUARD::R1(I)
- Refutation
- R(c);
- Try
- Q(D);
- Threat
- QAB(D),XS(g)
- Vars
- S(g);N_GUARD,XP(G)::R1(I)
- S(g);N_GUARD::R1(I),XS(g)
- Refutation
- R(c);
- Try
- Q(D);
- Threat
- B(K)
- Vars
- S(g);N_GUARD::R1(I)
- Refutation
- R(c);
- Try
- Actual
- S(L);XP(f)
- Threat
- S(L)
- Vars
- R(c);::B(K)
- B(b);P_PINS(L)::S(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).