MESON Chess Problem Database
Problem Display
PID: 261671 (3Rb1BN/2r5/1np5/4kP2/1N1pnpPQ/B1P2r2/8/3KR1b1 w - - 0 1)
Lipton, Michael
The Problemist Supplement, 2006
#2
11 + 10
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rf1
- 2.Sd3#
- 1...Rf2
- 2.Sd3#
- 2.cxd4#
- 1...Rd3+
- 2.Sxd3#
- 1...Re3
- 2.cxd4#
- 1...Rd7
- 2.Sxc6#
- 1...Re7
- 2.Qxe7#
- 1...Rf7
- 2.Sg6#
- 1...Rc8
- 2.Qe7#
- 1...Bh2
- 2.cxd4#
- 1...Be3
- 2.Sd3#
- 1...Bg6
- 2.Sxg6#
- 1...Bd7
- 2.Sf7#
- 1...Sd7
- 2.Qe7#
- 1...Rf1
- Tries
- 1.Sxc6+?
- 1...Bxc6
- 2.Sg6#
- 2.Bd6#
- 1...Rxc6!
- 1...Bxc6
- 1.Sf7+?
- 1...Bxf7
- 2.Qh8#
- 1...Rxf7!
- 1...Bxf7
- 1.Re3?
- threat
- 2.Sd3#
- 2.cxd4#
- 1...Rxe3
- 2.cxd4#
- 1...Bxe3
- 2.Sd3#
- 1...dxc3
- 2.Sd3#
- 1...dxe3
- 2.Sd3#
- 1...fxe3
- 2.Sd3#
- 1...Rd7
- 2.Sd3#
- 2.Sxc6#
- 1...Bd7
- 2.Sd3#
- 2.Sf7#
- 1...Sd7
- 2.Sd3#
- 2.Qe7#
- 1...Sd5
- 2.Sd3#
- 1...d3
- 2.Sxd3#
- 1...c5
- 2.Sd3#
- 1...Rf1+!
- threat
- 1.Rd6?
- threat
- 2.Re6#
- 2.Qf6#
- 1...Rd3+
- 2.Sxd3#
- 1...dxc3
- 2.Qf6#
- 1...Re3
- 2.Re6#
- 1...Re7
- 2.Qf6#
- 2.Qxe7#
- 1...Rf7
- 2.Re6#
- 1...Be3
- 2.Sd3#
- 2.Re6#
- 1...Bd7
- 2.Sf7#
- 2.Qf6#
- 1...Bf7
- 2.Qf6#
- 1...Sd5
- 2.Re6#
- 1...Sd7
- 2.Re6#
- 2.Qe7#
- 1...Kxd6!
- threat
- 1.Rxe8+?
- 1...Re7
- 2.Sxc6#
- 2.Sf7#
- 2.Qxe7#
- 1...Kd6!
- 1...Re7
- 1.Qh6?
- threat
- 2.Qd6#
- 2.Qe6#
- 1...Rd3+
- 2.Sxd3#
- 1...Re3
- 2.Qe6#
- 2.cxd4#
- 1...Rd7
- 2.Sxc6#
- 2.Qe6#
- 1...Re7
- 2.Qd6#
- 1...Be3
- 2.Sd3#
- 2.Qe6#
- 1...Bd7
- 2.Sf7#
- 1...Bf7
- 2.Qg7#
- 2.Qd6#
- 1...Sc4
- 2.Qe6#
- 1...Sd7
- 2.Rxe8#
- 2.Qe6#
- 1...Sc8
- 2.Qe6#
- 1...Bg6!
- threat
- 1.Sxc6+?
- Keys
- 1.Qg5!
- threat
- 2.f6#
- 1...Rd3+
- 2.Sxd3#
- 1...Rd7
- 2.Sxc6#
- 1...Bd7
- 2.Sf7#
- 1...Sd7
- 2.Qe7#
- 1...Re3
- 2.cxd4#
- 1...Rf7
- 2.Sg6#
- 1...Rg7
- 2.Qxg7#
- 1...Be3
- 2.Sd3#
- 1...Bg6
- 2.Sxg6#
- 2.fxg6#
- 1...Bf7
- 2.Qg7#
- threat
- 1.Qg5!
This is a version of 6349
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 5
- Sets
- R(b);N_GUARD,P_PINR(B)::S(E)
- R(b);CHECK,N_GUARD::S(E),XR(b)
- R(b);N_SPINS(d),S_CUTB(a)::P(D),XP(c)
- R(i);N_GUARD,S_CUTB(j)::S(E),XP(h)
- R(i);N_GUARD::QAR2(G),XR(i)
- R(i);S_CUTB(j)::S(K)
- R(i);N_GUARD::QAR2(G)
- B(a);N_GUARD::P(D),XP(c)
- B(a);N_SPINS(d),S_CUTR(b)::S(E)
- B(j);N_GUARD::S(K),XB(j)
- B(j);N_GUARD,S_CUTR(i)::S(K)
- S(g);S_CUTR(i)::QAR2(G)
- Tries
- Try
- S(E);CHECK,XP(h)
- Refutation
- R(i);XS(E)
- Try
- S(K);CHECK
- Vars
- B(j);XS(K)::QAB(G)
- Refutation
- R(i);XS(K)
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- R(b);N_SPINS(d),XR(B)::P(D),XP(c)
- B(a);N_SPINS(d),XR(B)::S(E)
- P(c);XP(D)::S(E)
- P(c);N_SPINS(d),XR(B)::S(E)
- P(e);N_SPINS(d),XR(B)::S(E)
- S(g);::S(E)
- P(c);::S(E),XP(c)
- P(h);::S(E)
- Refutation
- R(b);CHECK
- Try
- R(I);
- Threat
- DUALS(2)
- Vars
- R(b);CHECK,N_GUARD::S(E),XR(b)
- P(c);XP(D)::QAB1(G)
- R(b);N_SPINS(d)::R1(I)
- R(i);::R1(I)
- B(j);::QAB1(G)
- S(g);::R1(I)
- Refutation
- K(f);N_SPINS(d),S_FLIGHT,XR(I)
- Try
- R(I);CHECK,XB(j)
- Refutation
- K(f);N_SPINS(d),S_FLIGHT
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- R(b);CHECK,N_GUARD::S(E),XR(b)
- R(i);::QAB1(G)
- B(j);N_GUARD,S_CUTR(i)::S(K)
- S(g);::QAR1(G)
- Refutation
- B(j);
- Try
- Actual
- Q(G);
- Threat
- QAR(G)+P(H)
- Vars
- R(b);CHECK,N_GUARD::S(E),XR(b)
- R(i);N_GUARD,S_CUTB(j)::S(E),XP(h)
- B(j);N_GUARD,S_CUTR(i)::S(K)
- S(g);S_CUTR(i)::QAR2(G)
- R(b);N_SPINS(d),S_CUTB(a)::P(D),XP(c)
- R(i);S_CUTB(j)::S(K)
- R(i);N_GUARD::QAB(G),XR(i)
- B(a);N_SPINS(d),S_CUTR(b)::S(E)
- B(j);S_CUTR(i)::QAB(G)
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).