MESON Chess Problem Database
Problem Display
PID: 60625 (5Q2/Bp2p3/7p/pR4p1/4kNP1/1pP3n1/1Pqp1pK1/5B1n w - - 0 1)
Schneider, Michael
1st Prize, Deutsche Schachzeitung, 1969
#2
9 + 12
| 3751 | FIDE Album (1968-1970) | 1977 |
| 702 | Phenix | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qd1
- 2.Bd3#
- 1...Qd3
- 2.Bxd3#
- 1...Qc1
- 2.Bd3#
- 1...Qxb2
- 2.Bd3#
- 1...Sxf1
- 2.Qf5#
- 1...Se2
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Sh5
- 2.Qf5#
- 1...gxf4
- 2.Qxe7#
- 1...Qd1
- Tries
- 1.Sd3?
- threat
- 2.Re5#
- 2.Qxe7#
- 2.Qf3#
- 1...Qxc3
- 2.Qf3#
- 1...Sxf1
- 2.Qf3#
- 2.Qf5#
- 1...Se2
- 2.Qf3#
- 2.Qf5#
- 1...d1Q
- 2.Re5#
- 2.Qxe7#
- 1...d1B
- 2.Re5#
- 2.Qxe7#
- 1...Qd1
- 2.Re5#
- 2.Qxe7#
- 1...Sf5
- 2.Re5#
- 2.Qxf5#
- 1...e5
- 2.Rxe5#
- 2.Qf3#
- 1...e6
- 2.Re5#
- 2.Qf3#
- 1...Qxd3!
- threat
- 1.Sh3?
- threat
- 2.Qxe7#
- 2.Qf3#
- 1...Sxf1
- 2.Qf3#
- 2.Qf5#
- 1...Se2
- 2.Qf3#
- 2.Qf5#
- 1...d1Q
- 2.Qxe7#
- 1...d1B
- 2.Qxe7#
- 1...Qd1
- 2.Qxe7#
- 1...Qd3
- 2.Qxe7#
- 1...Sf5
- 2.Qxf5#
- 1...e5
- 2.Qf3#
- 1...e6
- 2.Qf3#
- 1...Qxc3!
- threat
- 1.Sd5?
- threat
- 2.Qxe7#
- 1...Ke5
- 2.Qxe7#
- 1...Qxc3
- 2.Sxc3#
- 1...Sxf1
- 2.Qf5#
- 1...Se2
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...e5
- 2.Qf3#
- 1...e6!
- threat
- 1.Sh5?
- threat
- 2.Qxe7#
- 2.Qf3#
- 1...Sxf1
- 2.Qf3#
- 2.Qf5#
- 1...Sxh5
- 2.Qf3#
- 2.Qf5#
- 1...Se2
- 2.Qf3#
- 2.Qf5#
- 1...d1Q
- 2.Qxe7#
- 1...d1B
- 2.Qxe7#
- 1...Qd1
- 2.Qxe7#
- 1...Qd3
- 2.Qxe7#
- 1...Sf5
- 2.Qxf5#
- 1...e5
- 2.Qf3#
- 1...e6
- 2.Qf3#
- 1...Qxc3!
- threat
- 1.Sg6?
- threat
- 2.Re5#
- 2.Qxe7#
- 2.Qf3#
- 1...Sxf1
- 2.Qf3#
- 2.Qf5#
- 1...Se2
- 2.Qf3#
- 2.Qf5#
- 1...d1Q
- 2.Re5#
- 2.Qxe7#
- 1...d1B
- 2.Re5#
- 2.Qxe7#
- 1...Qd1
- 2.Re5#
- 2.Qxe7#
- 1...Qd3
- 2.Re5#
- 2.Qxe7#
- 1...Sf5
- 2.Re5#
- 2.Qxf5#
- 1...e5
- 2.Rxe5#
- 2.Qf3#
- 1...e6
- 2.Re5#
- 2.Qf3#
- 1...Qxc3!
- threat
- 1.Bd4?
- threat
- 2.Re5#
- 1...Sf5
- 2.Qxf5#
- 1...e5
- 2.Rxe5#
- 1...Qxc3!
- threat
- 1.Rb4+?
- 1...Ke5
- 2.Bb8#
- 2.Qxe7#
- 1...axb4!
- 1...Ke5
- 1.Qb8?
- threat
- 2.Qe5#
- 1...e5
- 2.Qxe5#
- 1...Qxc3!
- threat
- 1.Sd3?
- Keys
- 1.Se2!
- threat
- 2.Qf3#
- 1...Kd3
- 2.Sxg3#
- 1...Qxc3
- 2.Sxc3#
- 1...Qd3
- 2.Qxe7#
- 1...Sf5
- 2.Qxf5#
- threat
- 1.Se2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 7
- Sets
- Q(b);N_GUARD::B(A)
- Q(b);N_GUARD::B(A),XQ(b)
- Q(b);N_GUARD,XP(B)::B(A)
- S(f);N_GUARD,XB(A)::QAB1(I)
- S(f);N_GUARD::QAB1(I)
- S(f);N_GUARD::QAB1(I),XS(f)
- P(i);SBLOCK,XS(E)::QAR(I),XP(l)
- Tries
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- Q(b);XP(D)::QAB1(I)
- Refutation
- Q(b);XS(E)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- P(c);::QAR(I),XP(l)
- Q(b);::QAR(I),XP(l)
- S(f);N_GUARD::QAB1(I),XS(f)
- P(l);::QAB1(I)
- Refutation
- Q(b);XP(D)
- Try
- S(E);
- Threat
- QAR(I),XP(l)
- Vars
- K(g);P-FLIGHT::QAR2(I),XP(l)
- Q(b);XP(D)::S(E),XQ(b)
- S(f);N_GUARD,XB(A)::QAB1(I)
- S(f);N_GUARD::QAB1(I)
- S(f);N_GUARD::QAB1(I),XS(f)
- P(l);SBLOCK::QAB1(I)
- Refutation
- P(l);
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- P(c);::QAR(I),XP(l)
- Q(b);::QAR(I),XP(l)
- S(f);N_GUARD::QAB1(I),XS(f)
- P(l);::QAB1(I)
- Refutation
- Q(b);XP(D)
- Try
- S(E);
- Threat
- DUALS(3)
- Refutation
- Q(b);XP(D)
- Try
- B(H);
- Threat
- R1(G)
- Vars
- S(f);N_GUARD::QAB1(I),XS(f)
- P(l);::R1(G),XP(l)
- Refutation
- Q(b);XP(D)
- Try
- R(G);CHECK
- Refutation
- P(h);XR(G)
- Try
- Q(I);
- Threat
- QAR1(I)
- Vars
- P(l);::QAR1(I),XP(l)
- Refutation
- Q(b);XP(D)
- Try
- Actual
- S(E);
- Threat
- QAB1(I)
- Vars
- K(g);S_FLIGHT::B(A)+S(E),XS(f)
- Q(b);XP(D)::S(E),XQ(b)
- Q(b);SBLOCK::QAR(I),XP(l)
- S(f);N_GUARD::QAB1(I),XS(f)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).