MESON Chess Problem Database
Problem Display
PID: 185154 (1B1nN2r/4P1rn/pK2p2R/1p1k1N2/3p3b/1P5Q/4p1q1/1B6 w - - 0 1)
Andersson, Gunnar
HM., Springaren 02. TT, 1948
#2
9 + 12
| 15601 | Albrecht-Leiss-Degener Collection | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qf3
- 2.Qxf3#
- 1...Qg1
- 2.Qf3#
- 1...Qh2
- 2.Qf3#
- 1...Qg5
- 2.Qf3#
- 1...Qg6
- 2.Qf3#
- 1...Rg5
- 2.exd8Q#
- 2.exd8R#
- 1...Rxe7
- 2.Qxg2#
- 1...Rf7
- 2.Qxg2#
- 1...Bg3
- 2.Qxg2#
- 1...Bg5
- 2.Qxg2#
- 1...Sg5
- 2.Sf6#
- 1...d3
- 2.Qxd3#
- 1...exf5
- 2.Qxf5#
- 1...e5
- 2.Sc7#
- 2.Rd6#
- 1...Qf3
- Tries
- 1.Bf4?
- threat
- 2.Sc7#
- 1...Rxe7
- 2.Qxg2#
- 1...d3
- 2.Qxd3#
- 1...Rxe8!
- threat
- 1.Bd6?
- threat
- 2.Sc7#
- 1...Rxe7
- 2.Qxg2#
- 1...d3
- 2.Qxd3#
- 1...Rxe8!
- threat
- 1.Qc3?
- threat
- 2.Qxd4#
- 2.Qc5#
- 1...Bxe7
- 2.Qxd4#
- 1...exf5
- 2.Qc5#
- 1...d3
- 2.Qd4#
- 2.Qe5#
- 2.Qxd3#
- 1...Qe4
- 2.Qc5#
- 1...Qg1
- 2.Qf3#
- 2.Qc5#
- 1...Qf2
- 2.Qc5#
- 1...Qg4
- 2.Qc5#
- 1...Rg4
- 2.Qc5#
- 1...Bf2
- 2.Qc5#
- 1...Bf6
- 2.Qc5#
- 1...Sc6
- 2.Qc5#
- 2.Qxc6#
- 1...Sb7
- 2.Qxd4#
- 2.Qc6#
- 1...e5
- 2.Sc7#
- 2.Rd6#
- 2.Qc5#
- 1...dxc3!
- threat
- 1.Qd3?
- threat
- 2.Se3#
- 2.Qxd4#
- 1...exf5
- 2.Qxf5#
- 1...e1Q
- 2.Qxd4#
- 1...e1R
- 2.Qxd4#
- 1...Qf3
- 2.Qxf3#
- 2.Qxd4#
- 1...Qh3
- 2.Qe4#
- 2.Qxd4#
- 1...Qe4
- 2.Qxe4#
- 1...Qg1
- 2.Qe4#
- 2.Qf3#
- 1...Qf2
- 2.Qe4#
- 1...Qg3
- 2.Qe4#
- 2.Qxd4#
- 1...Qg4
- 2.Se3#
- 1...Qg5
- 2.Qe4#
- 2.Qf3#
- 2.Qxd4#
- 1...Rg3
- 2.Qxd4#
- 1...Rg4
- 2.Se3#
- 1...Bg5
- 2.Qxd4#
- 1...Bf6
- 2.Se3#
- 1...Sc6
- 2.Se3#
- 1...e5
- 2.Se3#
- 2.Sc7#
- 2.Rd6#
- 1...Bf2!
- threat
- 1.Qe3?
- threat
- 2.Sc7#
- 2.Qxd4#
- 2.Qe5#
- 1...Rxe7
- 2.Qxd4#
- 2.Qe5#
- 1...Rxe8
- 2.Qxd4#
- 2.Qe5#
- 1...exf5
- 2.Sc7#
- 2.Rd6#
- 2.Qe5#
- 1...e1Q
- 2.Sc7#
- 2.Qxd4#
- 1...e1R
- 2.Sc7#
- 2.Qxd4#
- 1...Qe4
- 2.Bxe4#
- 2.Qxe4#
- 1...Qg1
- 2.Sc7#
- 2.Be4#
- 2.Qf3#
- 2.Qe4#
- 2.Qe5#
- 1...Qf2
- 2.Sc7#
- 2.Be4#
- 2.Qe4#
- 2.Qe5#
- 1...Qh2
- 2.Be4#
- 2.Qxd4#
- 2.Qf3#
- 2.Qe4#
- 1...Qg3
- 2.Be4#
- 2.Qxd4#
- 2.Qe4#
- 1...Qg4
- 2.Sc7#
- 2.Qe5#
- 1...Rg4
- 2.Sc7#
- 2.Qe5#
- 1...Bf2
- 2.Sc7#
- 2.Qe5#
- 1...Bg3
- 2.Qxd4#
- 1...Bf6
- 2.Sc7#
- 1...Sc6
- 2.Sc7#
- 2.Qxe6#
- 1...Sf7
- 2.Sc7#
- 2.Qxd4#
- 2.Qxe6#
- 1...d3
- 2.Sc7#
- 2.Qd4#
- 2.Qxd3#
- 2.Qe5#
- 1...e5
- 2.Sc7#
- 2.Rd6#
- 2.Qxe5#
- 1...dxe3!
- threat
- 1.exd8Q+?
- 1...Rd7
- 2.Qxg2#
- 2.Qxd7#
- 1...Bxd8+!
- 1...Rd7
- 1.exd8R+?
- 1...Rd7
- 2.Rxd7#
- 2.Qxg2#
- 1...Bxd8+!
- 1...Rd7
- 1.Bf4?
- Keys
- 1.Rh5!
- threat
- 2.Se3#
- 1...exf5
- 2.Qxf5#
- 1...d3
- 2.Qxd3#
- 1...e5
- 2.Sc7#
- 1...Qg5
- 2.Qf3#
- 1...Rg5
- 2.exd8Q#
- 2.exd8R#
- 1...Bg5
- 2.Qxg2#
- 1...Sg5
- 2.Sf6#
- threat
- 1.Rh5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 7
- Sets
- Q(b);N_GUARD::QAB(C),XQ(b)
- Q(b);N_GUARD::QAB(C)
- R(i);N_GUARD,S_CUTB(d)::PXS(k)=Q
- R(i);N_GUARD,XP(G)::QAB(C),XQ(b)
- R(i);N_GUARD::QAB(C),XQ(b)
- B(d);S_CUTR(i)::QAB(C),XQ(b)
- S(j);N_GUARD,S_CUTB(d)::S(I)
- P(c);OGATEB::QAR2(C),XP(c)
- P(h);OGATE,XS(D)::QAR2(C),XP(h)
- Tries
- Try
- B(H);
- Threat
- S(I)
- Vars
- R(i);N_GUARD,XP(G)::QAB(C),XQ(b)
- P(c);OGATEB::QAR2(C),XP(c)
- Refutation
- R(l);XS(I)
- Try
- B(H);
- Threat
- S(I)
- Vars
- R(i);N_GUARD,XP(G)::QAB(C),XQ(b)
- P(c);OGATEB::QAR2(C),XP(c)
- Refutation
- R(l);XS(I)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- B(d);XP(G)::QAR1(C),XP(c)
- P(h);XS(D)::QAR1(C)
- Q(b);::QAR1(C)
- R(i);::QAR1(C)
- B(d);::QAR1(C)
- Refutation
- P(c);XQ(C)
- Try
- Q(C);P_PINP(c)
- Threat
- DUALS(2)
- Vars
- P(h);OGATE,XS(D)::QAR2(C),XP(h)
- P(a);::QAR1(C),XP(c)
- Q(b);N_GUARD::QAB1(C),XQ(b)
- Q(b);N_GUARD::QAB1(C)
- Q(b);::S(D)
- R(i);::QAR1(C),XP(c)
- R(i);::S(D)
- B(d);::QAR1(C),XP(c)
- B(d);::S(D)
- S(k);::S(D)
- Refutation
- B(d);
- Try
- Q(C);
- Threat
- DUALS(3)
- Vars
- B(d);::QAR1(C),XP(c)
- B(d);::S(I)
- Refutation
- P(c);XQ(C)
- Try
- P(G);CHECK,XS(k)
- Refutation
- B(d);CHECK,XQ(G)
- Try
- P(G);CHECK,XS(k)
- Refutation
- B(d);CHECK,XR(G)
- Try
- Actual
- R(F);
- Threat
- R(F)+S(D),DCHECK
- Vars
- P(h);OGATE,P_SPINP(h),XS(D)::QAR2(C),XP(h)
- P(c);OGATEB::QAR2(C),XP(c)
- P(h);SBLOCK::S(I)
- Q(b);N_GUARD::QAB(C)
- R(i);N_GUARD,S_CUTB(d)::PXS(k)=Q
- B(d);S_CUTR(i)::QAB(C),XQ(b)
- S(j);N_GUARD,S_CUTB(d)::S(I)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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