MESON Chess Problem Database
Problem Display
PID: 17714 (1B4QK/2rp4/2p1nn1p/1p3B2/p5R1/5k1P/2NR1Pb1/7r w - - 0 1)
Brehmer, Siegfried
2nd HM., ADS, 1949
#2
9 + 11
| 461 | Schach-Express | 1950 |
| 3691 | 100 und ein Schachproblem von Siegfried Brehmer | 1996 |
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Sxe1#
- 1...Rh2
- 2.Se1#
- 1...Rxh3
- 2.Se1#
- 1...Ra7
- 2.Rg3#
- 1...Rb7
- 2.Rg3#
- 1...Rc8
- 2.Rg3#
- 1...Bf1
- 2.Se1#
- 1...Sd4
- 2.Sxd4#
- 1...Sf4
- 2.Sd4#
- 2.Rg3#
- 1...Sc5
- 2.Sd4#
- 1...Sg5
- 2.Sd4#
- 1...Sg7
- 2.Sd4#
- 1...Sd8
- 2.Sd4#
- 1...Sf8
- 2.Sd4#
- 1...Se4
- 2.Bxe4#
- 1...Sxg4
- 2.Qxg4#
- 1...Sd5
- 2.Be4#
- 1...Sh5
- 2.Be4#
- 1...Sh7
- 2.Be4#
- 1...Se8
- 2.Be4#
- 1...Sxg8
- 2.Be4#
- 1...Re1
- Tries
- 1.Bxe6?
- threat
- 2.Sd4#
- 1...Sxg4
- 2.Qxg4#
- 1...c5!
- threat
- 1.Bxc7?
- threat
- 2.Rg3#
- 1...Rxh3
- 2.Se1#
- 1...Sxc7
- 2.Sd4#
- 1...Sxg4
- 2.Qxg4#
- 1...Se4
- 2.Bxe4#
- 1...Sh5
- 2.Be4#
- 1...d6!
- threat
- 1.Re4?
- threat
- 2.Qg3#
- 1...Rxh3
- 2.Se1#
- 1...Sxe4
- 2.Qg4#
- 1...Sg5
- 2.Sd4#
- 1...Rc8
- 2.Re3#
- 1...Sg7
- 2.Sd4#
- 1...Sg4
- 2.Qxg4#
- 1...Sh5
- 2.Qg4#
- 1...Sxg8!
- threat
- 1.Rf4+?
- 1...Sxf4
- 2.Sd4#
- 2.Qg3#
- 1...Kxf4!
- 1...Sxf4
- 1.Rh4?
- threat
- 2.Qg3#
- 1...Rxh3
- 2.Se1#
- 1...Sxg8
- 2.Be4#
- 1...Sg4
- 2.Qxg4#
- 1...Sg5
- 2.Sd4#
- 1...Sg7
- 2.Sd4#
- 1...Se4
- 2.Bxe4#
- 2.Qg4#
- 1...Sh5
- 2.Be4#
- 2.Qg4#
- 1...Rc8!
- threat
- 1.Qxe6?
- threat
- 2.Sd4#
- 2.Qe2#
- 2.Qe3#
- 1...Sxg4
- 2.Qe4#
- 1...dxe6
- 2.Sd4#
- 1...Re1
- 2.Sxe1#
- 2.Sd4#
- 1...Bf1
- 2.Se1#
- 2.Sd4#
- 2.Qe3#
- 1...Se4
- 2.Sd4#
- 2.Bxe4#
- 2.Qxe4#
- 1...Sd5
- 2.Sd4#
- 2.Be4#
- 2.Qe2#
- 2.Qe4#
- 1...c5
- 2.Qe2#
- 2.Qe3#
- 1...Rc8+!
- threat
- 1.Qf8?
- threat
- 2.Be4#
- 2.Qa3#
- 1...Rxh3
- 2.Se1#
- 2.Qa3#
- 1...Bxh3
- 2.Qa3#
- 1...Sxf8
- 2.Sd4#
- 1...Sg5
- 2.Sd4#
- 2.Qa3#
- 1...Ra1
- 2.Be4#
- 1...Rb1
- 2.Be4#
- 1...Re1
- 2.Sxe1#
- 1...Rc8
- 2.Be4#
- 2.Rg3#
- 1...Bf1
- 2.Se1#
- 2.Be4#
- 1...Sd4
- 2.Sxd4#
- 2.Be4#
- 1...Sf4
- 2.Sd4#
- 2.Rg3#
- 1...Sc5
- 2.Sd4#
- 1...Se4
- 2.Bxe4#
- 1...Sd5
- 2.Be4#
- 1...a3
- 2.Be4#
- 2.Qxa3#
- 1...b4
- 2.Be4#
- 1...c5
- 2.Be4#
- 1...d5
- 2.Qa3#
- 1...d6
- 2.Be4#
- 1...Sxg4!
- threat
- 1.Bxe6?
- Keys
- 1.Rxa4!
- threat
- 2.Qg3#
- 1...Rxh3
- 2.Se1#
- 1...Sxg8
- 2.Bg4#
- 1...Se4
- 2.Qg4#
- 1...Rc8
- 2.Ra3#
- 1...Sg5
- 2.Qb3#
- 1...Sg7
- 2.Qb3#
- 1...Sg4
- 2.Bxg4#
- 2.Qxg4#
- 1...Sh5
- 2.Bg4#
- 2.Qg4#
- threat
- 1.Rxa4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 5
- ADDED MATES = 0
- REMOVED MATES = 14
- Sets
- R(a);N_GUARD::S(A),XR(a)
- R(a);N_GUARD::S(A)
- R(a);N_GUARD,XP(D)::S(A)
- R(j);::R1(E)
- R(j);P_PINQ(H)::R1(E)
- B(b);S_CUTR(a)::S(A)
- S(g);N_GUARD::S(A),XS(g)
- S(g);N_GUARD::S(A)
- S(h);N_GUARD::B(F),XS(h)
- S(h);OGATE,XR(E)::QAB1(H),XS(h)
- S(h);N_GUARD::B(F)
- S(h);N_GUARD,XQ(H)::B(F)
- Tries
- Try
- B(F);XS(g)
- Threat
- S(A)
- Vars
- S(h);OGATE,XR(E)::QAB1(H),XS(h)
- Refutation
- P(f);
- Try
- B(G);XR(j)
- Threat
- R1(E)
- Vars
- R(a);N_GUARD,XP(D)::S(A)
- S(g);N_GUARD,XB(G)::S(A)
- S(h);OGATE,XR(E)::QAB1(H),XS(h)
- S(h);N_GUARD::B(F),XS(h)
- S(h);N_GUARD::B(F)
- Refutation
- P(k);
- Try
- R(E);
- Threat
- QAR1(H)
- Vars
- R(a);N_GUARD,XP(D)::S(A)
- S(h);N_GUARD,XR(E)::QAB1(H)
- S(g);N_GUARD::S(A)
- R(j);P_PINQ(H)::R1(E)
- S(h);N_GUARD::QAB1(H),XS(h)
- S(h);N_GUARD::QAB1(H)
- Refutation
- S(h);XQ(H)
- Try
- R(E);CHECK
- Refutation
- K(c);P-FLIGHT,P_SPINR(j),XR(E)
- Try
- R(E);
- Threat
- QAR1(H)
- Vars
- R(a);N_GUARD,XP(D)::S(A)
- S(h);N_GUARD,XQ(H)::B(F)
- S(h);N_GUARD::QAB1(H),XS(h)
- S(g);N_GUARD::S(A)
- Refutation
- R(j);P_PINQ(H)
- Try
- Q(H);XS(g)
- Threat
- DUALS(3)
- Vars
- S(h);N_GUARD,XR(E)::QAB1(H)
- P(k);XQ(H)::S(A)
- Refutation
- R(j);CHECK
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- B(b);XP(D)::QAR(H)
- S(g);N_GUARD,XQ(H)::S(A)
- R(a);::B(F)
- R(a);N_GUARD::S(A),XR(a)
- S(g);N_GUARD::S(A)
- S(h);::QAR(H)+B(F),DCHECK,XS(h)
- S(h);::QAR(H)+B(F),DCHECK
- P(e);::B(F)
- P(f);::B(F)
- P(k);::QAR(H)
- P(k);::B(F)
- Refutation
- S(h);XR(E)
- Try
- Actual
- R(E);XP(d)
- Threat
- QAR1(H)
- Vars
- R(a);N_GUARD,XP(D)::S(A)
- S(h);N_GUARD,XQ(H)::B(F)
- S(h);N_GUARD::QAB1(H)
- R(j);P_PINQ(H)::R(E)
- S(g);OGATE::QAR(H)
Developed and maintained by Brian Stephenson.
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