MESON Chess Problem Database
Problem Display
PID: 275050 (5b2/B2Q3K/2ppR2N/1p1k2p1/NP4p1/1P3q1n/8/3n3B w - - 0 1)
Frei-Schuler, Gottlieb
Die Tat, 1953
(First published on Sat Jan 10 1953)
#2
9 + 10
| 15601 | Albrecht-Leiss-Degener Collection | 2024 |
SOLUTION
- SOUND
- Sets
- 1...Qg2
- 2.Bxg2#
- 1...Qe4+
- 2.Bxe4#
- 1...Bxh6
- 2.Qxd6#
- 1...Bg7
- 2.Qxd6#
- 1...Sb2
- 2.Sc3#
- 1...Sdf2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Se3
- 2.Sc3#
- 1...g3
- 2.Bxf3#
- 1...Qg2
- Tries
- 1.Sxg4?
- threat
- 2.Sf6#
- 2.Bxf3#
- 2.Re5#
- 1...Qe4+
- 2.Bxe4#
- 1...Qxh1
- 2.Sf6#
- 2.Re5#
- 1...Qg2
- 2.Sf6#
- 2.Bxg2#
- 2.Re5#
- 1...Be7
- 2.Bxf3#
- 2.Re5#
- 1...Bg7
- 2.Bxf3#
- 2.Qxd6#
- 1...Sdf2
- 2.Sc3#
- 2.Se3#
- 2.Sf6#
- 2.Re5#
- 1...Sc3
- 2.Sxc3#
- 2.Se3#
- 2.Sf6#
- 2.Re5#
- 1...Sg1
- 2.Sf6#
- 2.Re5#
- 1...Shf2
- 2.Sf6#
- 2.Re5#
- 1...c5!
- threat
- 1.Sf7?
- threat
- 2.Re5#
- 1...Qe4+
- 2.Bxe4#
- 1...Bg7
- 2.Qxd6#
- 1...c5!
- threat
- 1.Sg8?
- threat
- 2.Sf6#
- 1...Qe4+
- 2.Bxe4#
- 1...Be7
- 2.Sxe7#
- 1...Bg7
- 2.Se7#
- 2.Qxd6#
- 1...c5!
- threat
- 1.Bc5?
- threat
- 2.Sb6#
- 1...Qe4+
- 2.Bxe4#
- 1...bxa4!
- threat
- 1.Rf6?
- threat
- 2.Qf5#
- 2.Qe6#
- 1...Qe4+
- 2.Rf5#
- 2.Qf5#
- 1...Ke4
- 2.Qf5#
- 1...Ke5
- 2.Qe6#
- 1...Se3
- 2.Qe6#
- 1...Sf4
- 2.Qf5#
- 1...c5!
- threat
- 1.Re7?
- threat
- 2.Qf5#
- 2.Qe6#
- 1...Qe4+
- 2.Bxe4#
- 2.Qf5#
- 1...Bxe7
- 2.Qf5#
- 1...Bg7
- 2.Qe6#
- 1...Se3
- 2.Sc3#
- 2.Qe6#
- 1...Sf4
- 2.Qf5#
- 1...c5!
- threat
- 1.Re8?
- threat
- 2.Qf5#
- 2.Qe6#
- 2.Qf7#
- 1...Qe4+
- 2.Bxe4#
- 2.Qf5#
- 1...Be7
- 2.Qf5#
- 1...Bg7
- 2.Qe6#
- 2.Qf7#
- 1...Se3
- 2.Sc3#
- 2.Qe6#
- 2.Qf7#
- 1...Sf4
- 2.Qf5#
- 1...c5!
- threat
- 1.Qe7?
- threat
- 2.Rxd6#
- 1...Qe4+
- 2.Bxe4#
- 1...Bxe7!
- threat
- 1.Qf7?
- threat
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Re7#
- 2.Re8#
- 2.Qf5#
- 1...Qe4+
- 2.Bxe4#
- 2.Rxe4#
- 2.Qf5#
- 1...Be7
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Rxe7#
- 2.Qf5#
- 1...Bg7
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Re7#
- 2.Re8#
- 1...Se3
- 2.Sc3#
- 2.Rxe3#
- 2.Re7#
- 2.Re8#
- 1...Sf4
- 2.Qf5#
- 1...c5!
- threat
- 1.Sxg4?
- Keys
- 1.Re4!
- threat
- 2.Qe6#
- 1...Qxe4+
- 2.Qf5#
- 1...Qf5+
- 2.Qxf5#
- 1...Qf7+
- 2.Qxf7#
- 1...Kxe4
- 2.Qf5#
- 1...Qf6
- 2.Sb6#
- 1...Sf4
- 2.Qf5#
- 1...c5
- 2.Qb7#
- threat
- 1.Re4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 6
- REMOVED MATES = 8
- Sets
- Q(b);OGATEB::B(A),XQ(b)
- Q(b);CHECK,OGATE::B(A),XQ(b)
- B(j);N_GUARD,XS(F)::QAR1(H),XP(i)
- B(j);N_GUARD::QAR1(H),XP(i)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- P(d);N_GUARD::B(A),XQ(b)
- Tries
- Try
- S(F);XP(d)
- Threat
- DUALS(3)
- Vars
- Q(b);CHECK,OGATE::B(A),XQ(b)
- Refutation
- P(h);
- Try
- S(F);
- Threat
- R1(E)
- Vars
- Q(b);CHECK,OGATE::B(A),XQ(b)
- B(j);N_GUARD::QAR1(H),XP(i)
- Refutation
- P(h);
- Try
- S(F);
- Threat
- S(F)
- Vars
- Q(b);CHECK,OGATE::B(A),XQ(b)
- B(j);N_GUARD::S(F),XB(j)
- Refutation
- P(h);
- Try
- B(G);
- Threat
- S(C)
- Vars
- Q(b);CHECK,OGATE::B(A),XQ(b)
- Refutation
- P(e);XS(C)
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- K(f);N_SPINP(i),S_FLIGHT::QAB1(H)
- K(f);N_SPINP(i),N_SPINQ(b),P-FLIGHT::QAR1(H)
- S(a);::QAB1(H)
- S(c);::QAR2(H)
- Refutation
- P(h);
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- B(j);XR(E)::QAR2(H)
- B(j);::QAB1(H)
- S(c);::QAR2(H)
- Refutation
- P(h);
- Try
- R(E);
- Threat
- DUALS(3)
- Vars
- B(j);::QAR2(H)
- S(c);::QAR2(H)
- Refutation
- P(h);
- Try
- Q(H);N_PINP(i)
- Threat
- R1(E),XP(i)
- Vars
- Q(b);CHECK,OGATE::B(A),XQ(b)
- Refutation
- B(j);XQ(H)
- Try
- Q(H);N_PINP(i)
- Threat
- DUALS(6)
- Vars
- S(c);::QAR2(H)
- Refutation
- P(h);
- Try
- Actual
- R(E);N_PINQ(b)
- Threat
- QAB1(H)
- Vars
- Q(b);CHECK,N_GUARD,P_SPINQ(b),XR(E)::QAR2(H)
- Q(b);CHECK,N_GUARD::QAR2(H),XQ(b)
- Q(b);CHECK,N_GUARD::QAB(H),XQ(b)
- K(f);N_SPINP(i),P_SPINQ(b),S_FLIGHT,XR(E)::QAB1(H)
- Q(b);::S(C)
- S(c);S_CUTQ(b)::QAR2(H)
- P(h);OGATEB::QAB(H)
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