MESON Chess Problem Database
Problem Display
PID: 87610 (1b2r3/8/2p4R/Qn1k4/1Bp1qpN1/5B2/2N1R3/4K3 w - - 0 1)
Lepage, Roger
Buletin Problemistic, 1973
#2
8 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qxf3
- 2.Sf6#
- 1...Rc8
- 2.Bxe4#
- 1...Rd8
- 2.Bxe4#
- 1...Rf8
- 2.Bxe4#
- 1...Rg8
- 2.Bxe4#
- 1...Rh8
- 2.Bxe4#
- 1...Be5
- 2.Bxe4#
- 1...Bd6
- 2.Rxd6#
- 1...Ba7
- 2.Rd6#
- 1...c3
- 2.Qa2#
- 1...c5
- 2.Qa8#
- 1...Qxf3
- Tries
- 1.Kf1?
- threat
- 2.Rd2#
- 1...c3
- 2.Qa2#
- 1...Be5
- 2.Bxe4#
- 1...Ba7
- 2.Rd6#
- 1...c5
- 2.Qa8#
- 1...Qxf3+!
- threat
- 1.Rxe4?
- threat
- 2.Sf6#
- 2.Re5#
- 2.Ree6#
- 2.Re7#
- 2.Rxe8#
- 1...Re5
- 2.Rxe5#
- 1...Re6
- 2.Re5#
- 2.Rexe6#
- 1...Re7
- 2.Sf6#
- 2.Re5#
- 2.Ree6#
- 2.Rxe7#
- 1...Rc8
- 2.Sf6#
- 2.Re2#
- 2.Re3#
- 2.Rd4#
- 2.Rxf4#
- 2.Re5#
- 2.Ree6#
- 2.Re7#
- 2.Re8#
- 1...Rd8
- 2.Sf6#
- 2.Re2#
- 2.Re3#
- 2.Rd4#
- 2.Rxf4#
- 2.Re5#
- 2.Ree6#
- 2.Re7#
- 2.Re8#
- 1...Rf8
- 2.Re2#
- 2.Re3#
- 2.Rd4#
- 2.Rxf4#
- 2.Re5#
- 2.Ree6#
- 2.Re7#
- 2.Re8#
- 1...Rg8
- 2.Sf6#
- 2.Re2#
- 2.Re3#
- 2.Rd4#
- 2.Rxf4#
- 2.Re5#
- 2.Ree6#
- 2.Re7#
- 2.Re8#
- 1...Rh8
- 2.Sf6#
- 2.Re2#
- 2.Re3#
- 2.Rd4#
- 2.Rxf4#
- 2.Re5#
- 2.Ree6#
- 2.Re7#
- 2.Re8#
- 1...Be5
- 2.Re2#
- 2.Re3#
- 2.Rd4#
- 2.Rxf4#
- 2.Rxe5#
- 1...c3
- 2.Sf6#
- 2.Qa2#
- 1...c5
- 2.Re5#
- 2.Ree6#
- 2.Re7#
- 2.Rxe8#
- 2.Qa8#
- 1...Rxe4+!
- threat
- 1.Rxc6?
- threat
- 2.Qxb5#
- 1...Bd6
- 2.Rxd6#
- 1...Ba7
- 2.Rd6#
- 1...Kxc6!
- threat
- 1.Qb6?
- threat
- 2.Qc5#
- 2.Qxc6#
- 1...Re6
- 2.Qc5#
- 1...Rc8
- 2.Bxe4#
- 2.Qc5#
- 1...Ba7
- 2.Qxc6#
- 1...Sd4
- 2.Qxd4#
- 2.Qc5#
- 1...Sd6
- 2.Qd4#
- 2.Qc5#
- 1...Sa7
- 2.Qd4#
- 2.Qc5#
- 1...c5
- 2.Qxc5#
- 2.Qc6#
- 2.Qb7#
- 1...Bd6!
- threat
- 1.Qxb5+?
- 1...c5
- 2.Qc6#
- 2.Qxc5#
- 2.Qb7#
- 1...cxb5!
- 1...c5
- 1.Kf1?
- Keys
- 1.Kd1!
- threat
- 2.Rd2#
- 1...Qxf3
- 2.Sf6#
- 1...c3
- 2.Qa2#
- 1...Be5
- 2.Bxe4#
- 1...Ba7
- 2.Rd6#
- 1...c5
- 2.Qa8#
- threat
- 1.Kd1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 6
- Sets
- Q(b);N_SPINQ(b),XB(D)::S(F)
- R(h);N_GUARD::B(D),XQ(b)
- B(g);S_CUTR(h)::B(D),XQ(b)
- B(g);N_GUARD::R1(H),XB(g)
- B(g);N_GUARD::R1(H)
- P(a);OGATEB::QAB(G)
- P(f);N_SPINS(d),OGATEB::QAB(G)
- Tries
- Try
- K(A);N_SPINR(C),P-FLIGHT
- Threat
- R(C)
- Vars
- P(a);OGATEB::QAB(G)
- B(g);S_CUTR(h)::B(D),XQ(b)
- B(g);N_GUARD::R1(H)
- P(f);N_SPINS(d),OGATEB::QAB(G)
- Refutation
- Q(b);CHECK,N_SPINQ(b),XB(D)
- Try
- R(C);XQ(b)
- Threat
- DUALS(5)
- Vars
- R(h);::B(D)+R(C),DCHECK,XR(h)
- Refutation
- R(h);CHECK,P_SPINR(h),XR(C)
- Try
- R(H);XP(f)
- Threat
- QAR2(G),XS(d)
- Vars
- B(g);N_GUARD::R1(H),XB(g)
- B(g);N_GUARD::R1(H)
- Refutation
- K(e);N_SPINS(d),S_FLIGHT,XR(H)
- Try
- Q(G);N_PINS(d)
- Threat
- DUALS(2)
- Vars
- R(h);::QAR1(G)
- B(g);::QAB1(G),XP(f)
- Refutation
- B(g);
- Try
- Q(G);CHECK,XS(d)
- Refutation
- P(f);XQ(G)
- Try
- Actual
- K(A);N_SPINR(C),P-FLIGHT
- Threat
- R(C)
- Vars
- Q(b);N_SPINQ(b),P_PINR(C),XB(D)::S(F)
- P(a);OGATEB::QAB(G)
- B(g);S_CUTR(h)::B(D),XQ(b)
- B(g);N_GUARD::R1(H)
- P(f);N_SPINS(d),OGATEB::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).