MESON Chess Problem Database
Problem Display
PID: 109372 (K1n5/pnRbQB2/1r3p2/3N2N1/2pkP1R1/3pppB1/1P1r4/3q4 w - - 0 1)
Siers, Theodor
BCF 001. Ty., 1929-1930
#2
10 + 13
| 56 | The Problemist | 1930 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qc2
- 2.Sxf3#
- 1...Qb3
- 2.Sxf3#
- 1...Qa4
- 2.Sxf3#
- 1...Qa1
- 2.Sxf3#
- 1...Qb1
- 2.Sxf3#
- 1...Qc1
- 2.Sxf3#
- 1...Qe1
- 2.Sxf3#
- 1...Qg1
- 2.Sxf3#
- 1...Re2
- 2.Sxf3#
- 1...Rxb2
- 2.Qxf6#
- 1...Rb3
- 2.Qxf6#
- 1...Rb4
- 2.Qxf6#
- 1...Rb5
- 2.Qxf6#
- 1...Ba4
- 2.e5#
- 1...Bb5
- 2.e5#
- 1...Bf5
- 2.exf5#
- 1...Bc6
- 2.Se6#
- 2.e5#
- 1...Be6
- 2.Qxf6#
- 1...Be8
- 2.e5#
- 1...Sa5
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...Sbd6
- 2.Qxf6#
- 1...Sd8
- 2.Qc5#
- 1...Scd6
- 2.Qxf6#
- 1...e2
- 2.Sxf3#
- 2.Bf2#
- 1...c3
- 2.bxc3#
- 1...fxg5
- 2.Be5#
- 2.Qe5#
- 1...f5
- 2.Be5#
- 2.Qe5#
- 2.exf5#
- 1...Qc2
- Tries
- 1.Sxb6?
- threat
- 2.Rxc4#
- 2.Qxf6#
- 1...Sxe7
- 2.Rxc4#
- 1...fxg5
- 2.Be5#
- 2.Rxc4#
- 2.Qf6#
- 2.Qe5#
- 1...e2
- 2.Bf2#
- 1...Qc2
- 2.Sxf3#
- 2.Qxf6#
- 1...Qb3
- 2.Sxf3#
- 2.Qxf6#
- 1...Qa4
- 2.Sxf3#
- 2.Qxf6#
- 1...Qc1
- 2.Sxf3#
- 2.Qxf6#
- 1...Rc2
- 2.Qxf6#
- 1...Bb5
- 2.Se6#
- 2.Qxf6#
- 2.e5#
- 1...Bc6
- 2.Se6#
- 1...Be6
- 2.Sxe6#
- 2.Qxf6#
- 1...Sa5
- 2.Qc5#
- 2.Qxf6#
- 1...Sc5
- 2.Qxc5#
- 2.Qxf6#
- 1...Sbd6
- 2.Qxf6#
- 1...Scd6
- 2.Qxf6#
- 1...c3
- 2.Rc4#
- 2.Qb4#
- 2.Qxf6#
- 2.bxc3#
- 1...f5
- 2.Be5#
- 2.Rxc4#
- 2.Qf6#
- 2.Qe5#
- 2.exf5#
- 1...Sxb6+!
- threat
- 1.Sxf6?
- threat
- 2.Be5#
- 2.Rxc4#
- 2.Qe5#
- 1...Sxe7
- 2.Rxc4#
- 1...e2
- 2.Bf2#
- 1...Qc2
- 2.Sxf3#
- 2.Be5#
- 2.Qe5#
- 1...Qb3
- 2.Sxf3#
- 2.Be5#
- 2.Qe5#
- 1...Qa4
- 2.Sxf3#
- 2.Be5#
- 2.Qe5#
- 1...Qc1
- 2.Sxf3#
- 2.Be5#
- 2.Qe5#
- 1...Rc2
- 2.Be5#
- 2.Qe5#
- 1...Rb4
- 2.Be5#
- 2.Qe5#
- 1...Rb5
- 2.Rxc4#
- 1...Rc6
- 2.Be5#
- 2.Qe5#
- 1...Re6
- 2.e5#
- 1...Bb5
- 2.Be5#
- 2.Qe5#
- 2.e5#
- 1...Bc6
- 2.Se6#
- 2.Be5#
- 2.Qe5#
- 1...Sa5
- 2.Be5#
- 2.Qc5#
- 2.Qe5#
- 1...Sc5
- 2.Be5#
- 2.Qxc5#
- 2.Qe5#
- 1...Sbd6
- 2.Be5#
- 2.Qe5#
- 1...Scd6
- 2.Be5#
- 2.Qe5#
- 1...c3
- 2.Be5#
- 2.Rc4#
- 2.Qe5#
- 2.bxc3#
- 1...Be6!
- threat
- 1.Se6+?
- 1...Bxe6
- 2.Qxf6#
- 1...Rxe6!
- 1...Bxe6
- 1.Be6?
- threat
- 2.Qxf6#
- 2.e5#
- 1...Bxe6
- 2.Qxf6#
- 1...Sxe7
- 2.e5#
- 1...fxg5
- 2.Qf6#
- 2.Qg7#
- 2.e5#
- 1...Rc6
- 2.e5#
- 1...Bc6
- 2.e5#
- 1...Sc5
- 2.Qxc5#
- 2.Qxf6#
- 1...Sbd6
- 2.Qxf6#
- 1...Scd6
- 2.Qxf6#
- 1...f2
- 2.Qxf6#
- 1...f5
- 2.Qf6#
- 2.Qg7#
- 2.exf5#
- 1...Rxe6!
- threat
- 1.Sxb6?
- Keys
- 1.Sc3!
- threat
- 2.Rxc4#
- 1...e2
- 2.Bf2#
- 1...Qb3
- 2.Sxf3#
- 1...Qa4
- 2.Sxf3#
- 1...Rb4
- 2.Qxf6#
- 1...Rc6
- 2.Sb5#
- 1...Re6
- 2.e5#
- 1...Bb5
- 2.e5#
- 1...Bc6
- 2.Se6#
- 1...Be6
- 2.Qxf6#
- 1...Sa5
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...Sbd6
- 2.Qxf6#
- 1...Scd6
- 2.Qxf6#
- threat
- 1.Sc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 15
- Sets
- Q(a);N_GUARD::S(F),XP(e)
- R(b);S_CUTQ(a)::S(F),XP(e)
- R(h);N_GUARD,XP(A)::QAB(H),XP(i)
- R(h);N_GUARD::QAB(H),XP(i)
- B(l);N_GUARD::R(D)+P(C)
- B(l);OGATE::R(D)+P(C),XB(l)
- B(l);S_CUTR(h)::QAB(H),XP(i)
- S(k);N_GUARD::QAB1(H)
- S(k);N_GUARD::QAB1(H),XS(k)
- S(k);S_CUTR(h)::QAB(H),XP(i)
- S(m);S_CUTR(h)::QAB(H),XP(i)
- P(f);OGATE::P(A),XP(f)
- Tries
- Try
- S(E);XR(h)
- Threat
- DUALS(2)
- Vars
- S(m);XQ(H)::R1(G),XP(f)
- P(d);OGATEB::B(B)
- R(b);::QAB(H),XP(i)
- B(l);N_GUARD::S(F)
- S(k);::QAB(H),XP(i)
- S(m);::QAB(H),XP(i)
- Refutation
- S(m);CHECK,XS(E)
- Try
- S(E);XP(i)
- Threat
- DUALS(3)
- Vars
- S(m);XQ(H)::R1(G),XP(f)
- P(d);OGATEB::B(B)
- R(h);::R1(G),XP(f)
- R(h);S_CUTB(l)::R(D)+P(C)
- Refutation
- B(l);
- Try
- S(F);CHECK
- Vars
- B(l);XS(F)::QAB(H),XP(i)
- Refutation
- R(h);XS(F)
- Try
- B(I);
- Threat
- DUALS(2)
- Vars
- B(l);XB(I)::QAB(H),XP(i)
- S(m);XQ(H)::R(D)+P(C)
- R(h);::R(D)+P(C)
- B(l);::R(D)+P(C)
- S(k);::QAB(H),XP(i)
- S(m);::QAB(H),XP(i)
- P(e);::QAB(H),XP(i)
- Refutation
- R(h);XB(I)
- Try
- Actual
- S(E);
- Threat
- R1(G),XP(f)
- Vars
- P(d);OGATEB::B(B)
- Q(a);N_GUARD::S(F),XP(e)
- R(h);N_GUARD::QAB(H),XP(i)
- R(h);N_GUARD,S_CUTB(l)::S(E)
- R(h);S_CUTB(l)::R(D)+P(C)
- B(l);N_GUARD::R(D)+P(C)
- B(l);N_GUARD,S_CUTR(h)::S(F)
- B(l);S_CUTR(h)::QAB(H),XP(i)
- S(k);N_GUARD::QAB1(H)
- S(k);N_GUARD::QAB1(H),XS(k)
- S(k);S_CUTR(h)::QAB(H),XP(i)
- S(m);S_CUTR(h)::QAB(H),XP(i)
Developed and maintained by Brian Stephenson.
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