MESON Chess Problem Database
Problem Display
PID: 248406 (4N3/1B6/1pNPP1Q1/Rp1k1n2/1P5p/3P1r2/K3R1nq/6b1 w - - 0 1)
Blikeng, Bjarne
Arbejder-Skak, 1947
#2
11 + 9
| 15601 | Albrecht-Leiss-Degener Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qe5
- 2.Rxe5#
- 1...Qxd6
- 2.Sf6#
- 1...Qh1
- 2.Re5#
- 1...Qh3
- 2.Re5#
- 1...Rf2
- 2.Rxb5#
- 1...Re3
- 2.Rxb5#
- 1...Rg3
- 2.Re5#
- 2.Qxf5#
- 1...Rf4
- 2.Re5#
- 1...Bd4
- 2.Se5#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 1...Sge3
- 2.Rxb5#
- 1...Sf4
- 2.Qxf5#
- 1...Sfe3
- 2.Rxb5#
- 2.Qe4#
- 1...Sg3
- 2.Re5#
- 1...Sd4
- 2.Se7#
- 2.Qe4#
- 1...Sxd6
- 2.Sc7#
- 1...Sh6
- 2.Qe4#
- 1...Se7
- 2.Qe4#
- 1...Sg7
- 2.Qe4#
- 1...Qe5
- Tries
- 1.Qxf5+?
- 1...Qe5
- 2.Rxe5#
- 2.Qxe5#
- 1...Rxf5!
- 1...Qe5
- 1.Qg4?
- threat
- 2.Sd4#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Qxf3#
- 2.Qc4#
- 2.Qe4#
- 1...Qxd6
- 2.Se7#
- 2.Sf6#
- 2.Qxf3#
- 2.Qc4#
- 2.Qe4#
- 1...Rxd3
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Qe4#
- 1...Sxd6
- 2.Se7#
- 2.Sc7#
- 1...bxa5
- 2.Sd4#
- 2.Sxa5#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Qxf3#
- 2.Qe4#
- 1...Qe5
- 2.Sd4#
- 2.Sd8#
- 2.Rxe5#
- 2.Qc4#
- 1...Re3
- 2.Qc4#
- 1...Be3
- 2.Qc4#
- 2.Qe4#
- 1...Sge3
- 2.Qe4#
- 1...Qg3
- 2.Sd4#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Qc4#
- 2.Qe4#
- 1...Qh3
- 2.Sd4#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Re5#
- 2.Qc4#
- 2.Qe4#
- 1...Rf1
- 2.Sd4#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Qc4#
- 2.Qe4#
- 1...Rf2
- 2.Sd4#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Rxb5#
- 2.Qc4#
- 2.Qe4#
- 1...Rg3
- 2.Sd4#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Re5#
- 2.Qxf5#
- 2.Qc4#
- 2.Qe4#
- 1...Rh3
- 2.Sd4#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Qc4#
- 2.Qe4#
- 1...Rf4
- 2.Re5#
- 1...Bd4
- 2.Sxd4#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Qxf3#
- 2.Qe4#
- 1...Bc5
- 2.Sd4#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Qxf3#
- 2.Qe4#
- 1...Se1
- 2.Sd4#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Qc4#
- 2.Qe4#
- 1...Sf4
- 2.Qxf3#
- 2.Qxf5#
- 1...Sfe3
- 2.Rxb5#
- 2.Qe4#
- 1...Sg3
- 2.Sd4#
- 2.Se5#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 2.Re5#
- 2.Qc4#
- 1...Sd4
- 2.Sxd4#
- 2.Se7#
- 2.Qe4#
- 1...Se7
- 2.Sxe7#
- 2.Qxf3#
- 2.Qc4#
- 2.Qe4#
- 1...Qf4!
- threat
- 1.Qf6?
- threat
- 2.Sd4#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 1...Qxd6
- 2.Se7#
- 1...Sxd6
- 2.Se7#
- 2.Sc7#
- 1...Qe5
- 2.Rxe5#
- 2.Qxe5#
- 1...Bd4
- 2.Sxd4#
- 2.Se5#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 1...Sd4
- 2.Sxd4#
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 2.Qxf3#
- 1...Rxd3!
- threat
- 1.e7?
- threat
- 2.Sc7#
- 2.Qf7#
- 2.Qe6#
- 2.Qg8#
- 1...Rxd3
- 2.Qf7#
- 2.Qe6#
- 2.Qg8#
- 1...Sxd6
- 2.Sc7#
- 2.Qe6#
- 1...Sxe7
- 2.Sc7#
- 2.Qe4#
- 2.Qe6#
- 1...Qg3
- 2.Sc7#
- 2.Qf7#
- 2.Qe6#
- 1...Qe5
- 2.Sc7#
- 2.Rxe5#
- 1...Re3
- 2.Sc7#
- 2.Rxb5#
- 1...Rg3
- 2.Sc7#
- 2.Re5#
- 2.Qxf5#
- 2.Qf7#
- 2.Qe6#
- 1...Be3
- 2.Sc7#
- 2.Qf7#
- 2.Qg8#
- 1...Sge3
- 2.Sc7#
- 2.Rxb5#
- 2.Qf7#
- 2.Qg8#
- 1...Sf4
- 2.Sc7#
- 2.Qxf5#
- 1...Sfe3
- 2.Sc7#
- 2.Rxb5#
- 2.Qe4#
- 1...Sg3
- 2.Sc7#
- 2.Re5#
- 2.Qe6#
- 1...Sd4
- 2.Sc7#
- 2.Qe4#
- 1...Sh6
- 2.Sc7#
- 2.Qe4#
- 2.Qe6#
- 1...Sg7
- 2.Sc7#
- 2.Qe4#
- 1...Qxd6!
- threat
- 1.Qxf5+?
- Keys
- 1.Qf7!
- threat
- 2.e7#
- 1...Qxd6
- 2.Sf6#
- 1...Sxd6
- 2.Sc7#
- 1...Qe5
- 2.Rxe5#
- 1...Re3
- 2.Rxb5#
- 1...Sf4
- 2.Qxf5#
- 1...Sfe3
- 2.Rxb5#
- 1...Sg3
- 2.Re5#
- 1...Sd4
- 2.Se7#
- 1...Sh6
- 2.Qxf3#
- 1...Se7
- 2.Qxf3#
- 1...Sg7
- 2.Qxf3#
- threat
- 1.Qf7!
This is after
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 2
- REMOVED MATES = 5
- Sets
- Q(c);N_GUARD::R1(B),XQ(c)
- Q(c);SBLOCK,XP(G)::S(K)
- Q(c);N_GUARD::R1(B)
- R(d);P_PINR(B),S_CUTB(a)::R(E),XP(f)
- R(d);S_CUTB(a)::R(E),XP(f)
- R(d);S_CUTQ(c)::R1(B)
- S(b);P_PINR(B),S_CUTB(a)::R(E),XP(f)
- S(b);P_PINR(B),S_CUTQ(c),S_CUTR(d)::QAR2(I),XS(h)
- S(h);S_CUTQ(c)::R1(B)
- S(h);SBLOCK,XP(G)::S(K)
- S(h);OGATE::QAB1(I)
- Tries
- Try
- Q(I);CHECK,XS(h)
- Refutation
- R(d);XQ(I)
- Try
- Q(I);
- Threat
- DUALS(8)
- Vars
- R(d);::QAB1(I)
- S(b);P_PINR(B)::QAB1(I)
- R(d);S_CUTQ(c)::R1(B)
- Refutation
- Q(c);
- Try
- Q(I);
- Threat
- DUALS(5)
- Vars
- Q(c);XP(G)::B(J)+S(F),DCHECK
- Refutation
- R(d);XP(C)
- Try
- P(H);
- Threat
- DUALS(4)
- Refutation
- Q(c);XP(G)
- Try
- Actual
- Q(I);
- Threat
- QAB(I)+P(H)
- Vars
- Q(c);SBLOCK,XP(G)::S(K)
- S(h);SBLOCK,XP(G)::S(K)
- Q(c);N_GUARD::R1(B),XQ(c)
- R(d);S_CUTB(a)::R(E),XP(f)
- S(b);P_PINR(B),S_CUTQ(c),S_CUTR(d)::QAR2(I),XS(h)
- S(h);S_CUTB(a)::R(E),XP(f)
- S(h);S_CUTQ(c)::R1(B)
- S(h);SBLOCK::B(J)+S(F),DCHECK
- S(h);OGATE::QAB(I),XR(d)
Developed and maintained by Brian Stephenson.
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CSS/Javascript (jQuery, Bootstrap & DataTables).