MESON Chess Problem Database
Problem Display
PID: 141639 (3R3r/qp6/6Bp/3NkP2/1B2N2R/2n1P3/rb3P1K/Q7 w - - 0 1)
Brabec, Juraj
1st Prize, Melnichenko MT, 2009
#2
11 + 8
| 23 | Die Schwalbe | 2011 |
| 56 | The Problemist | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Sxe4
- 2.f4#
- 1...Sxd5
- 2.Bd6#
- 1...Sxe4
- Tries
- 1.Sexc3?
- threat
- 2.Bd6#
- 2.Re4#
- 2.f4#
- 1...Qxe3
- 2.Bd6#
- 1...Rxd8
- 2.Re4#
- 2.f4#
- 1...Bxa1
- 2.Bd6#
- 2.Re4#
- 1...Qd4
- 2.Bd6#
- 2.exd4#
- 1...Qc5
- 2.Re4#
- 2.f4#
- 1...Qb6
- 2.Re4#
- 2.f4#
- 1...Qb8
- 2.Re4#
- 2.f4#
- 1...Qa3
- 2.Re4#
- 2.f4#
- 1...Qa6
- 2.Re4#
- 2.f4#
- 1...Ra6
- 2.Re4#
- 2.f4#
- 1...Bc1
- 2.Bd6#
- 2.Re4#
- 1...Ba3
- 2.Re4#
- 1...Bxc3!
- threat
- 1.Sdxc3?
- threat
- 2.Bd6#
- 2.Rd5#
- 2.f4#
- 1...Qxe3
- 2.Rd5#
- 1...Rxd8
- 2.f4#
- 1...Bxa1
- 2.Bd6#
- 2.Rd5#
- 1...Qd4
- 2.f4#
- 2.exd4#
- 1...Qc5
- 2.f4#
- 1...Qb6
- 2.Rd5#
- 2.f4#
- 1...Qb8
- 2.Rd5#
- 2.f4#
- 1...Qa3
- 2.Rd5#
- 2.f4#
- 1...Qa5
- 2.Bd6#
- 2.f4#
- 1...Qa6
- 2.Rd5#
- 2.f4#
- 1...Ra5
- 2.Bd6#
- 2.f4#
- 1...Ra6
- 2.Rd5#
- 2.f4#
- 1...Bc1
- 2.Bd6#
- 2.Rd5#
- 1...Ba3
- 2.Rd5#
- 1...Bxc3!
- threat
- 1.Sdf6?
- threat
- 2.Bd6#
- 2.f4#
- 1...Rxd8
- 2.f4#
- 1...Bxa1
- 2.Bd6#
- 1...Sxe4
- 2.Sg4#
- 1...Qd4
- 2.f4#
- 2.exd4#
- 1...Qc5
- 2.f4#
- 1...Qb6
- 2.f4#
- 1...Qb8
- 2.f4#
- 1...Qa3
- 2.f4#
- 1...Qa6
- 2.f4#
- 1...Ra6
- 2.f4#
- 1...Bc1
- 2.Bd6#
- 2.Rd5#
- 1...Ba3
- 2.Rd5#
- 1...Se2
- 2.Bd6#
- 2.Rd5#
- 1...Sb5
- 2.Rd5#
- 2.f4#
- 1...Sd5
- 2.Sd7#
- 2.Bd6#
- 2.Rxd5#
- 1...Qxe3!
- threat
- 1.Bxc3+?
- 1...Qd4
- 2.exd4#
- 1...Bxc3!
- 1...Qd4
- 1.Sexc3?
- Keys
- 1.Sef6!
- threat
- 2.Bd6#
- 2.f4#
- 1...Qxe3
- 2.Bd6#
- 1...Rxd8
- 2.f4#
- 1...Bxa1
- 2.Bd6#
- 1...Sxd5
- 2.Sd7#
- 1...Qd4
- 2.Bd6#
- 2.exd4#
- 1...Qc5
- 2.f4#
- 1...Qb6
- 2.f4#
- 1...Qb8
- 2.f4#
- 1...Qa3
- 2.f4#
- 1...Qa6
- 2.f4#
- 1...Ra6
- 2.f4#
- 1...Bc1
- 2.Bd6#
- 2.Re4#
- 1...Ba3
- 2.Re4#
- 1...Se2
- 2.Bd6#
- 2.Re4#
- 1...Se4
- 2.Sg4#
- 2.Rxe4#
- 2.f4#
- 1...Sb5
- 2.Re4#
- 2.f4#
- threat
- 1.Sef6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 10
- REMOVED MATES = 1
- Sets
- S(c);P_SPINB(b),SBLOCK,XS(F)::P(B)
- S(c);P_SPINB(b),SBLOCK,XS(H)::B(E)
- Tries
- Try
- S(F);XS(c)
- Threat
- DUALS(3)
- Vars
- Q(f);XP(D)::B(E)
- B(b);P_PINP(B)::R1(G)
- Refutation
- B(b);P_PINP(B),P_SPINB(b),XS(F)
- Try
- S(H);XS(c)
- Threat
- DUALS(3)
- Vars
- Q(f);XP(D)::R1(K)
- R(h);XR(K)::P(B)
- Q(f);::P(B)
- B(b);P_PINP(B)::R1(K)
- Refutation
- B(b);P_PINP(B),P_SPINB(b),XS(H)
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- R(h);XR(K)::P(B)
- B(b);P_PINP(B),XQ(A)::B(E)
- S(c);P_SPINB(b),SBLOCK,XS(F)::S(H)
- Q(f);::P(B)
- R(a);::P(B)
- B(b);P_PINP(B),P_SPINS(c)::R1(K)
- Refutation
- Q(f);XP(D)
- Try
- B(E);CHECK,XS(c)
- Vars
- Q(f);OGATE,P_SPINQ(f)::P(D),XQ(f)
- Refutation
- B(b);P_PINP(B),P_SPINB(b),XB(E)
- Try
- Actual
- S(F);
- Threat
- DUALS(2)
- Vars
- Q(f);XP(D)::B(E)
- R(h);XR(K)::P(B)
- B(b);P_PINP(B),XQ(A)::B(E)
- S(c);P_SPINB(b),SBLOCK,XS(H)::S(F)
- Q(f);::P(B)
- R(a);::P(B)
- B(b);P_PINP(B),P_SPINS(c)::R1(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).