MESON Chess Problem Database
Problem Display
PID: 153516 (8/3bNB1K/2R2ppN/4k3/Q3pp2/3P4/7n/b5rq w - - 0 1)
Albert, Bernard
4th HM., Good Companions (February), 1916
#2
7 + 10
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Sxg6#
- 1...Rc1
- 2.Sxg6#
- 1...Rd1
- 2.Sxg6#
- 1...Re1
- 2.Sxg6#
- 1...Rf1
- 2.Sxg6#
- 1...Rg2
- 2.Qxe4#
- 1...Bg4
- 2.Sxg6#
- 1...Be6
- 2.Rxe6#
- 1...Be8
- 2.Re6#
- 1...Sf1
- 2.Qxa1#
- 1...Sf3
- 2.Qxe4#
- 1...Sg4
- 2.Sxg6#
- 1...f3
- 2.Qxe4#
- 1...g5
- 2.Sg6#
- 1...Rb1
- Tries
- 1.Ba2?
- threat
- 2.Sf7#
- 1...f3
- 2.Qxe4#
- 1...Be6
- 2.Rxe6#
- 1...Be8
- 2.Re6#
- 1...Sf3
- 2.Qxe4#
- 1...Sg4
- 2.Sxg6#
- 1...Sf1!
- threat
- 1.Bd5?
- threat
- 2.Sf7#
- 1...f3
- 2.Qxe4#
- 1...Be6
- 2.Rxe6#
- 1...Be8
- 2.Re6#
- 1...Sf1
- 2.Qxa1#
- 1...Sf3
- 2.Qxe4#
- 1...Sg4!
- threat
- 1.Bg8?
- threat
- 2.Sf7#
- 1...f3
- 2.Qxe4#
- 1...Be6
- 2.Rxe6#
- 1...Be8
- 2.Re6#
- 1...Sf1
- 2.Qxa1#
- 1...Sf3
- 2.Qxe4#
- 1...Sg4
- 2.Sxg6#
- 1...Bxc6!
- threat
- 1.Qb4?
- threat
- 2.Qc5#
- 2.Qd6#
- 1...Bxc6
- 2.Sxc6#
- 1...f3
- 2.Qd6#
- 2.Qxe4#
- 1...Rc1
- 2.Sxg6#
- 2.Qd6#
- 1...Bd4
- 2.Qd6#
- 2.Qb8#
- 1...Be6
- 2.Rxe6#
- 2.Qd6#
- 1...e3
- 2.Qd6#
- 1...exd3!
- threat
- 1.Ba2?
- Keys
- 1.Bb3!
- threat
- 2.Sf7#
- 1...f3
- 2.Qxe4#
- 1...Be6
- 2.Rxe6#
- 1...Be8
- 2.Re6#
- 1...Sf1
- 2.Qxa1#
- 1...Sf3
- 2.Qxe4#
- 1...Sg4
- 2.Sxg6#
- threat
- 1.Bb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 8
- Sets
- R(b);N_GUARD::S(E),XP(i)
- R(b);S_CUTQ(c)::QAR1(B),XP(e)
- B(j);S_CUTR(b)::S(E),XP(i)
- B(j);N_GUARD::R1(C),XB(j)
- B(j);N_GUARD::R1(C)
- S(d);P_PINS(D),S_CUTR(b)::QAB(B),XB(a)
- S(d);P_PINS(D),S_CUTQ(c)::QAR1(B),XP(e)
- S(d);P_PINS(D),S_CUTR(b)::S(E),XP(i)
- P(f);S_CUTQ(c)::QAR1(B),XP(e)
- P(i);S_CUTR(b)::S(E)
- Tries
- Try
- B(F);
- Threat
- S(D)
- Vars
- P(f);S_CUTQ(c)::QAR1(B),XP(e)
- B(j);N_GUARD::R1(C),XB(j)
- B(j);N_GUARD::R1(C)
- S(d);P_PINS(D),S_CUTQ(c)::QAR1(B),XP(e)
- S(d);P_PINS(D),S_CUTR(b)::S(E),XP(i)
- Refutation
- S(d);P_PINS(D)
- Try
- B(F);
- Threat
- S(D)
- Vars
- P(f);S_CUTQ(c)::QAR1(B),XP(e)
- B(j);N_GUARD::R1(C),XB(j)
- B(j);N_GUARD::R1(C)
- S(d);P_PINS(D),S_CUTR(b)::QAB(B),XB(a)
- S(d);P_PINS(D),S_CUTQ(c)::QAR1(B),XP(e)
- Refutation
- S(d);P_PINS(D)
- Try
- B(F);
- Threat
- S(D)
- Vars
- P(f);S_CUTQ(c)::QAR1(B),XP(e)
- B(j);N_GUARD::R1(C),XB(j)
- B(j);N_GUARD::R1(C)
- S(d);P_PINS(D),S_CUTR(b)::QAB(B),XB(a)
- S(d);P_PINS(D),S_CUTQ(c)::QAR1(B),XP(e)
- S(d);P_PINS(D),S_CUTR(b)::S(E),XP(i)
- Refutation
- B(j);XR(C)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- B(j);XR(C)::S(E),XB(j)
- P(e);::QAB1(B)
- Refutation
- P(e);XP(A)
- Try
- Actual
- B(F);
- Threat
- S(D)
- Vars
- P(f);S_CUTQ(c)::QAR1(B),XP(e)
- B(j);N_GUARD::R1(C),XB(j)
- B(j);N_GUARD::R1(C)
- S(d);P_PINS(D),S_CUTR(b)::QAB(B),XB(a)
- S(d);P_PINS(D),S_CUTQ(c)::QAR1(B),XP(e)
- S(d);P_PINS(D),S_CUTR(b)::S(E),XP(i)
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).