MESON Chess Problem Database
Problem Display
PID: 93195 (8/4pnQ1/1p2N3/1p2r1pK/bpP1R1P1/1pk1Bp2/5R2/2NB4 w - - 0 1)
Froberg, Johan Hilding Laurentius
Hildebrand, Alexander
Arbejder-Skak, 1960
#2
10 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sd6
- 2.Qxe5#
- 1...Sh6
- 2.Qxe5#
- 1...Sd8
- 2.Qxe5#
- 1...Sh8
- 2.Qxe5#
- 1...b2
- 2.Bd2#
- 1...bxc4
- 2.Bd4#
- 1...Sd6
- Tries
- 1.Kg6?
- 1...bxc4
- 2.Bd4#
- 1...Sd6
- 2.Qxe5#
- 1...Sh6
- 2.Qxe5#
- 1...Sd8
- 2.Qxe5#
- 1...b2
- 2.Bd2#
- 1...Sh8+!
- 1...bxc4
- 1.Sxg5?
- 1...Sxg5
- 2.Qxe5#
- 1...bxc4
- 2.Bd4#
- 1...Sd6
- 2.Qxe5#
- 1...Sh6
- 2.Qxe5#
- 1...Sd8
- 2.Qxe5#
- 1...Sh8
- 2.Qxe5#
- 1...b2
- 2.Bd2#
- 1...e6!
- 1...Sxg5
- 1.Sd8?
- 1...Sxd8
- 2.Qxe5#
- 1...bxc4
- 2.Bd4#
- 1...Sd6
- 2.Qxe5#
- 1...Sh6
- 2.Qxe5#
- 1...Sh8
- 2.Qxe5#
- 1...b2
- 2.Bd2#
- 1...e6!
- 1...Sxd8
- 1.Sf8?
- 1...bxc4
- 2.Bd4#
- 1...Sd6
- 2.Qxe5#
- 1...Sh6
- 2.Qxe5#
- 1...Sd8
- 2.Qxe5#
- 1...Sh8
- 2.Qxe5#
- 1...b2
- 2.Bd2#
- 1...e6!
- 1...bxc4
- 1.Bxf3?
- 1...bxc4
- 2.Bd4#
- 1...Sd6
- 2.Qxe5#
- 1...Sh6
- 2.Qxe5#
- 1...Sd8
- 2.Qxe5#
- 1...Sh8
- 2.Qxe5#
- 1...b2!
- 1...bxc4
- 1.Bf4?
- 1...bxc4
- 2.Re3#
- 1...Sd6
- 2.Bxe5#
- 2.Qxe5#
- 1...Sh6
- 2.Bxe5#
- 2.Qxe5#
- 1...Sd8
- 2.Bxe5#
- 2.Qxe5#
- 1...Sh8
- 2.Bxe5#
- 2.Qxe5#
- 1...b2
- 2.Bd2#
- 2.Rxf3#
- 1...gxf4+!
- 1...bxc4
- 1.Bxb6?
- 1...bxc4
- 2.Bd4#
- 2.Re3#
- 1...Sd6
- 2.Qxe5#
- 1...Sh6
- 2.Qxe5#
- 1...Sd8
- 2.Qxe5#
- 1...Sh8
- 2.Qxe5#
- 1...b2!
- 1...bxc4
- 1.Rd2?
- 1...Sd6
- 2.Qxe5#
- 1...Sh6
- 2.Qxe5#
- 1...Sd8
- 2.Qxe5#
- 1...Sh8
- 2.Qxe5#
- 1...b2
- 2.Sa2#
- 2.Rd3#
- 1...f2
- 2.Se2#
- 1...bxc4!
- 1...Sd6
- 1.Rh2?
- 1...bxc4
- 2.Bd4#
- 1...Sd6
- 2.Qxe5#
- 1...Sh6
- 2.Qxe5#
- 1...Sd8
- 2.Qxe5#
- 1...Sh8
- 2.Qxe5#
- 1...b2
- 2.Bd2#
- 1...f2!
- 1...bxc4
- 1.Rf4?
- 1...bxc4
- 2.Bd4#
- 1...Sd6
- 2.Qxe5#
- 1...Sh6
- 2.Qxe5#
- 1...Sd8
- 2.Qxe5#
- 1...Sh8
- 2.Qxe5#
- 1...b2
- 2.Bd2#
- 1...gxf4+!
- 1...bxc4
- 1.Qf6?
- 1...bxc4
- 2.Bd4#
- 1...Sd6
- 2.Qxe5#
- 1...Sh6
- 2.Qxe5#
- 1...Sd8
- 2.Qxe5#
- 1...Sh8
- 2.Qxe5#
- 1...b2
- 2.Bd2#
- 1...exf6!
- 1...bxc4
- 1.Qh8?
- 1...bxc4
- 2.Bd4#
- 1...Sd6
- 2.Qxe5#
- 1...Sh6
- 2.Qxe5#
- 1...Sd8
- 2.Qxe5#
- 1...b2
- 2.Bd2#
- 1...Sxh8!
- 1...bxc4
- 1.cxb5?
- 1...Sd6
- 2.Qxe5#
- 1...Sh6
- 2.Qxe5#
- 1...Sd8
- 2.Qxe5#
- 1...Sh8
- 2.Qxe5#
- 1...b2
- 2.Bd2#
- 1...Bxb5!
- 1...Sd6
- 1.c5?
- 1...Sd6
- 2.Qxe5#
- 1...Sh6
- 2.Qxe5#
- 1...Sd8
- 2.Qxe5#
- 1...Sh8
- 2.Qxe5#
- 1...b2
- 2.Bd2#
- 1...bxc5!
- 1...Sd6
- 1.Kg6?
- Keys
- 1.Bxg5!
- 1...Sxg5
- 2.Qxe5#
- 1...bxc4
- 2.Re3#
- 1...Sd6
- 2.Qxe5#
- 1...Sh6
- 2.Qxe5#
- 1...Sd8
- 2.Qxe5#
- 1...Sh8
- 2.Qxe5#
- 1...b2
- 2.Rxf3#
- 1...Sxg5
- 1.Bxg5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(k);N_GUARD::QAB(J),XR(g)
- P(a);SBLOCK::B(D)
- P(f);SBLOCK,XP(E)::B(D)
- Tries
- Try
- K(H);S_FLIGHT
- Vars
- P(f);SBLOCK,XP(E)::B(D)
- S(k);N_GUARD::QAB(J),XR(g)
- P(a);SBLOCK::B(D)
- Refutation
- S(k);CHECK
- Try
- S(I);P_SPINS(I),XP(h)
- Vars
- S(k);N_GUARD,XS(I)::QAB(J),XR(g)
- P(f);SBLOCK,XP(E)::B(D)
- S(k);N_GUARD::QAB(J),XR(g)
- P(a);SBLOCK::B(D)
- Refutation
- P(j);
- Try
- S(I);
- Vars
- S(k);N_GUARD,XS(I)::QAB(J),XR(g)
- P(f);SBLOCK,XP(E)::B(D)
- S(k);N_GUARD::QAB(J),XR(g)
- P(a);SBLOCK::B(D)
- Refutation
- P(j);
- Try
- S(I);
- Vars
- P(f);SBLOCK,XP(E)::B(D)
- S(k);N_GUARD::QAB(J),XR(g)
- P(a);SBLOCK::B(D)
- Refutation
- P(j);
- Try
- B(B);XP(c)
- Vars
- P(f);SBLOCK,XP(E)::B(D)
- S(k);N_GUARD::QAB(J),XR(g)
- Refutation
- P(a);
- Try
- B(D);
- Vars
- P(f);SBLOCK,XP(E)::R(F)
- Refutation
- P(h);CHECK,XB(D)
- Try
- B(D);XP(i)
- Vars
- S(k);N_GUARD::QAB(J),XR(g)
- Refutation
- P(a);
- Try
- R(C);
- Vars
- S(k);N_GUARD::QAB(J),XR(g)
- P(c);N_GUARD::S(A)
- Refutation
- P(f);XP(E)
- Try
- R(C);
- Vars
- P(f);SBLOCK,XP(E)::B(D)
- S(k);N_GUARD::QAB(J),XR(g)
- P(a);SBLOCK::B(D)
- Refutation
- P(c);
- Try
- R(F);
- Vars
- P(f);SBLOCK,XP(E)::B(D)
- S(k);N_GUARD::QAB(J),XR(g)
- P(a);SBLOCK::B(D)
- Refutation
- P(h);CHECK,XR(F)
- Try
- Q(J);
- Vars
- P(f);SBLOCK,XP(E)::B(D)
- S(k);N_GUARD::QAB(J),XR(g)
- P(a);SBLOCK::B(D)
- Refutation
- P(j);N_SPINR(g),XQ(J)
- Try
- Q(J);
- Vars
- P(f);SBLOCK,XP(E)::B(D)
- S(k);N_GUARD::QAB(J),XR(g)
- P(a);SBLOCK::B(D)
- Refutation
- S(k);N_SPINR(g),XQ(J)
- Try
- P(E);XP(f)
- Vars
- S(k);N_GUARD::QAB(J),XR(g)
- P(a);SBLOCK::B(D)
- Refutation
- B(d);XP(E)
- Try
- P(E);
- Vars
- S(k);N_GUARD::QAB(J),XR(g)
- P(a);SBLOCK::B(D)
- Refutation
- P(i);XP(E)
- Try
- Actual
- B(D);P_SPINB(D),XP(h)
- Vars
- S(k);N_GUARD,XB(D)::QAB(J),XR(g)
- P(f);SBLOCK,XP(E)::R(F)
- S(k);N_GUARD::QAB(J),XR(g)
- P(a);SBLOCK::R(C),XP(c)
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).