MESON Chess Problem Database
Problem Display
PID: 16482 (K7/pN4p1/5nrb/1QpR2r1/1n2kpP1/qb2P1p1/6N1/B4R1B w - - 0 1)
Hassberg, Eric Manfred
Recomm., BCF 039. Ty., 1941-1942
#2
10 + 13
SOLUTION
- SOUND
- Sets
- 1...Kxd5
- 2.Sxf4#
- 1...Rxg4
- 2.Re5#
- 1...Re5
- 2.Rxe5#
- 1...Bd1
- 2.Qc4#
- 1...Bc2
- 2.Qc4#
- 1...Ba4
- 2.Qc4#
- 1...Bc4
- 2.Qxc4#
- 1...Bxd5
- 2.Rxf4#
- 1...Sa2
- 2.Qd3#
- 1...Sc2
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sbxd5
- 2.Sd6#
- 1...Sa6
- 2.Qd3#
- 1...Sc6
- 2.Qd3#
- 1...Sfxd5
- 2.Sxc5#
- 1...c4
- 2.Sd6#
- 2.Rxf4#
- 2.Rd4#
- 1...Kxd5
- Tries
- 1.Sxf4+?
- 1...Kxe3
- 2.Qe2#
- 2.Qxc5#
- 1...g2!
- 1...Kxe3
- 1.Rd4+?
- 1...cxd4
- 2.Sd6#
- 2.Rxf4#
- 1...Ke5!
- 1...cxd4
- 1.Rf5?
- threat
- 2.Sxc5#
- 2.Sd6#
- 2.R1xf4#
- 1...Rxg4
- 2.Sd6#
- 2.Re5#
- 1...Sxg4
- 2.R1xf4#
- 1...fxe3
- 2.Sxc5#
- 2.Sd6#
- 2.R1f4#
- 1...Bc4
- 2.Sxc5#
- 2.Qxc4#
- 1...c4
- 2.Sc5#
- 1...Qc1
- 2.Sd6#
- 2.R1xf4#
- 1...Qa6
- 2.Sxc5#
- 2.R1xf4#
- 1...Rh5
- 2.Sxc5#
- 2.Sd6#
- 1...Bd5
- 2.R1xf4#
- 2.R5xf4#
- 1...Sa2
- 2.Sd6#
- 2.R1xf4#
- 1...Sc2
- 2.Sd6#
- 2.R1xf4#
- 1...Sd3
- 2.Sd6#
- 1...Sbd5
- 2.Sd6#
- 1...Sa6
- 2.Sd6#
- 2.R1xf4#
- 1...Sc6
- 2.Sd6#
- 2.R1xf4#
- 1...Sfd5
- 2.Sxc5#
- 1...Sh5
- 2.Sxc5#
- 1...Sd7
- 2.R1xf4#
- 1...Sh7
- 2.Sxc5#
- 2.R1xf4#
- 1...Se8
- 2.Sxc5#
- 2.R1xf4#
- 1...Sg8
- 2.Sxc5#
- 2.R1xf4#
- 1...f3
- 2.Sxc5#
- 2.Sd6#
- 1...Rxf5!
- threat
- 1.Qxc5?
- threat
- 2.Sd6#
- 2.Rxf4#
- 2.Rd4#
- 2.Qd4#
- 1...Qxa1
- 2.Sd6#
- 2.Rxf4#
- 1...Rxg4
- 2.Sd6#
- 2.Rd4#
- 2.Qd4#
- 1...Bxd5
- 2.Qd4#
- 1...Sbxd5
- 2.Qd4#
- 1...Sxg4
- 2.Rxf4#
- 2.Rd4#
- 2.Qd4#
- 1...Sfxd5
- 2.Qd4#
- 1...fxe3
- 2.Sd6#
- 2.Rf4#
- 2.Rd4#
- 2.Qd4#
- 1...Qb2
- 2.Sd6#
- 2.Rxf4#
- 1...Qa6
- 2.Rxf4#
- 2.Rd4#
- 2.Qd4#
- 1...Re5
- 2.Sd6#
- 2.Rd4#
- 2.Qd4#
- 1...Rf5
- 2.Sd6#
- 2.Rd4#
- 2.Qd4#
- 1...Rh5
- 2.Sd6#
- 2.Rd4#
- 2.Qd4#
- 1...Sc2
- 2.Sd6#
- 2.Rxf4#
- 1...Sd3
- 2.Sd6#
- 2.Rd4#
- 2.Qd4#
- 1...Sc6
- 2.Sd6#
- 2.Rxf4#
- 1...Sh5
- 2.Rd4#
- 2.Qd4#
- 1...Sd7
- 2.Rxf4#
- 2.Rd4#
- 2.Qd4#
- 1...Sh7
- 2.Rxf4#
- 2.Rd4#
- 2.Qd4#
- 1...Se8
- 2.Rxf4#
- 2.Rd4#
- 2.Qd4#
- 1...Sg8
- 2.Rxf4#
- 2.Rd4#
- 2.Qd4#
- 1...f3
- 2.Sd6#
- 2.Rd4#
- 2.Qd4#
- 1...Rxd5!
- threat
- 1.Sxf4+?
- Keys
- 1.Qe2!
- threat
- 2.Qf3#
- 1...Kxd5
- 2.Sxf4#
- 1...Rxd5
- 2.exf4#
- 1...Bxd5
- 2.Rxf4#
- 1...Sbxd5
- 2.Sd6#
- 1...Sfxd5
- 2.Sxc5#
- 1...Bd1
- 2.Qc4#
- 1...f3
- 2.Qxf3#
- threat
- 1.Qe2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 10
- Sets
- K(e);P_SPINP(g),S_FLIGHT,XR(H)::B(C)+S(D),DCHECK,XP(f)
- R(h);N_GUARD,XP(F)::R1(H)
- R(h);N_GUARD::R1(H),XR(h)
- B(b);N_GUARD::QAR2(G)
- B(b);N_GUARD::QAR2(G),XB(b)
- B(b);P_PINS(I),SBLOCK,XR(H)::R1(B),XP(f)
- S(d);N_GUARD::QAB1(G)
- S(d);N_GUARD::QAB1(G),XS(d)
- S(d);SBLOCK,XR(H)::S(I)
- S(i);SBLOCK,XR(H)::S(I),XP(g)
- Tries
- Try
- S(D);CHECK,XP(f)
- Refutation
- P(c);P_SPINP(c)
- Try
- R(H);CHECK
- Refutation
- K(e);P-FLIGHT,P_SPINP(g)
- Try
- R(H);
- Threat
- DUALS(3)
- Vars
- S(i);XP(F)::R1(B),XP(f)
- P(g);::S(I)
- S(d);::S(I)
- S(i);::S(I),XP(g)
- S(i);::R1(B),XP(f)
- Refutation
- R(h);XR(H)
- Try
- Q(G);XP(g)
- Threat
- DUALS(4)
- Vars
- B(b);P_PINS(I),XR(H)::QAR1(G)
- S(d);XR(H)::QAR1(G)
- S(i);XR(H)::QAR1(G)
- Refutation
- R(h);XR(H)
- Try
- Actual
- Q(G);
- Threat
- QAB1(G)
- Vars
- K(e);S_FLIGHT,XR(H)::B(C)+S(D),DCHECK,XP(f)
- R(h);SBLOCK,XR(H)::QAR(G)+P(E),XP(f)
- B(b);P_PINS(I),SBLOCK,XR(H)::R1(B),XP(f)
- S(d);SBLOCK,XR(H)::S(I)
- S(i);SBLOCK,XR(H)::S(I),XP(g)
- B(b);N_GUARD::QAR2(G)
- P(f);::QAB1(G),XP(f)
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).