MESON Chess Problem Database
Problem Display
PID: 6497 (rrb1N3/1pPkPpN1/1P1P1Qp1/P5R1/1nB2P2/7K/8/3R4 w - - 0 1)
Schiffmann, Israel Abraham
1/2 Prize, Western Morning News TT, 1929
#2
13 + 8
| 1397 | Faszinierendes Schachproblem | 1963 |
| 3098 | FIDE Album (1914-1944) (I) | 1971 |
SOLUTION
- SOUND
- Sets
- 1...Kc6+
- 2.d7#
- 1...Rxa5
- 2.cxb8S#
- 1...Ra6
- 2.cxb8S#
- 1...Ra7
- 2.cxb8S#
- 1...Sa2
- 2.Bb5#
- 1...Sc2
- 2.Bb5#
- 1...Sd3
- 2.Bb5#
- 1...Sd5
- 2.Bb5#
- 1...Sa6
- 2.Bb5#
- 1...Kc6+
- Tries
- 1.Kg2?
- 1...Kc6
- 2.Bb5#
- 2.d7#
- 1...Rxa5
- 2.cxb8S#
- 1...Ra6
- 2.cxb8S#
- 1...Ra7
- 2.cxb8S#
- 1...Sa2
- 2.Bb5#
- 1...Sc2
- 2.Bb5#
- 1...Sd3
- 2.Bb5#
- 1...Sd5
- 2.Bb5#
- 1...Sa6
- 2.Bb5#
- 1...Sc6!
- 1...Kc6
- 1.Kh2?
- 1...Kc6
- 2.Bb5#
- 2.d7#
- 1...Rxa5
- 2.cxb8S#
- 1...Ra6
- 2.cxb8S#
- 1...Ra7
- 2.cxb8S#
- 1...Sa2
- 2.Bb5#
- 1...Sc2
- 2.Bb5#
- 1...Sd3
- 2.Bb5#
- 1...Sd5
- 2.Bb5#
- 1...Sa6
- 2.Bb5#
- 1...Sc6!
- 1...Kc6
- 1.Kg3?
- 1...Kc6
- 2.Bb5#
- 2.d7#
- 1...Rxa5
- 2.cxb8S#
- 1...Ra6
- 2.cxb8S#
- 1...Ra7
- 2.cxb8S#
- 1...Sa2
- 2.Bb5#
- 1...Sc2
- 2.Bb5#
- 1...Sd3
- 2.Bb5#
- 1...Sd5
- 2.Bb5#
- 1...Sa6
- 2.Bb5#
- 1...Sc6!
- 1...Kc6
- 1.Kg4?
- 1...Kc6+
- 2.d7#
- 1...Rxa5
- 2.cxb8S#
- 1...Ra6
- 2.cxb8S#
- 1...Ra7
- 2.cxb8S#
- 1...Sa2
- 2.Bb5#
- 1...Sc2
- 2.Bb5#
- 1...Sd3
- 2.Bb5#
- 1...Sd5
- 2.Bb5#
- 1...Sa6
- 2.Bb5#
- 1...Sc6!
- 1...Kc6+
- 1.Kh4?
- 1...Kc6
- 2.Bb5#
- 2.d7#
- 1...Rxa5
- 2.cxb8S#
- 1...Ra6
- 2.cxb8S#
- 1...Ra7
- 2.cxb8S#
- 1...Sa2
- 2.Bb5#
- 1...Sc2
- 2.Bb5#
- 1...Sd3
- 2.Bb5#
- 1...Sd5
- 2.Bb5#
- 1...Sa6
- 2.Bb5#
- 1...Sc6!
- 1...Kc6
- 1.Be2?
- 1...Kc6+
- 2.d7#
- 1...Rxa5
- 2.cxb8S#
- 1...Sc6
- 2.Bg4#
- 1...Ra6
- 2.cxb8S#
- 1...Ra7
- 2.cxb8S#
- 1...Sa2
- 2.Bb5#
- 1...Sc2
- 2.Bb5#
- 1...Sd5
- 2.Bb5#
- 1...Sa6
- 2.Bb5#
- 1...Sd3!
- 1...Kc6+
- 1.Bb3?
- 1...Kc6+
- 2.d7#
- 1...Rxa5
- 2.cxb8S#
- 1...Ra6
- 2.cxb8S#
- 1...Ra7
- 2.cxb8S#
- 1...Sa2
- 2.Ba4#
- 1...Sc2
- 2.Ba4#
- 1...Sd3
- 2.Ba4#
- 1...Sd5
- 2.Ba4#
- 1...Sa6
- 2.Ba4#
- 1...Sc6!
- 1...Kc6+
- 1.Be6+?
- 1...Kc6
- 2.Qc3#
- 1...fxe6!
- 1...Kc6
- 1.Rd2?
- 1...Kc6+
- 2.d7#
- 1...Rxa5
- 2.cxb8S#
- 1...Ra6
- 2.cxb8S#
- 1...Ra7
- 2.cxb8S#
- 1...Sa2
- 2.Bb5#
- 1...Sc2
- 2.Bb5#
- 1...Sd3
- 2.Bb5#
- 1...Sd5
- 2.Bb5#
- 1...Sa6
- 2.Bb5#
- 1...Sc6!
- 1...Kc6+
- 1.Rd3?
- 1...Kc6+
- 2.d7#
- 1...Rxa5
- 2.cxb8S#
- 1...Sxd3
- 2.Bb5#
- 1...Ra6
- 2.cxb8S#
- 1...Ra7
- 2.cxb8S#
- 1...Sa2
- 2.Bb5#
- 1...Sc2
- 2.Bb5#
- 1...Sd5
- 2.Bb5#
- 1...Sa6
- 2.Bb5#
- 1...Sc6!
- 1...Kc6+
- 1.Rd4?
- 1...Kc6+
- 2.d7#
- 1...Rxa5
- 2.cxb8S#
- 1...Ra6
- 2.cxb8S#
- 1...Ra7
- 2.cxb8S#
- 1...Sa2
- 2.Bb5#
- 1...Sc2
- 2.Bb5#
- 1...Sd3
- 2.Bb5#
- 1...Sd5
- 2.Bb5#
- 1...Sa6
- 2.Bb5#
- 1...Sc6!
- 1...Kc6+
- 1.Rdd5?
- 1...Kc6+
- 2.d7#
- 1...Rxa5
- 2.cxb8S#
- 1...Sxd5
- 2.Bb5#
- 1...Ra6
- 2.cxb8S#
- 1...Ra7
- 2.cxb8S#
- 1...Sa2
- 2.Bb5#
- 1...Sc2
- 2.Bb5#
- 1...Sd3
- 2.Bb5#
- 1...Sa6
- 2.Bb5#
- 1...Sc6!
- 1...Kc6+
- 1.Rc5?
- 1...Rxa5
- 2.cxb8S#
- 1...Ra6
- 2.cxb8S#
- 1...Ra7
- 2.cxb8S#
- 1...Sa2
- 2.Bb5#
- 1...Sc2
- 2.Bb5#
- 1...Sd3
- 2.Bb5#
- 1...Sd5
- 2.Bb5#
- 1...Sa6
- 2.Bb5#
- 1...g5
- 2.Qf5#
- 1...Sc6!
- 1...Rxa5
- 1.Qf5+?
- 1...Kc6
- 2.Bb5#
- 1...gxf5!
- 1...Kc6
- 1.Qe6+?
- 1...Kc6
- 2.Bb5#
- 1...fxe6!
- 1...Kc6
- 1.Qxf7?
- 1...Rxa5
- 2.cxb8S#
- 1...Sc6
- 2.Sf6#
- 2.Be6#
- 2.Qe6#
- 1...Ra6
- 2.cxb8S#
- 1...Ra7
- 2.cxb8S#
- 1...Sa2
- 2.Bb5#
- 1...Sc2
- 2.Bb5#
- 1...Sd3
- 2.Bb5#
- 1...Sd5
- 2.Bb5#
- 1...Sa6
- 2.Bb5#
- 1...Kc6+!
- 1...Rxa5
- 1.cxb8Q?
- threat
- 2.Qc7#
- 1...Kc6+
- 2.d7#
- 1...Sd5
- 2.Bb5#
- 1...Sa6
- 2.Bb5#
- 1...Rxb8!
- threat
- 1.Kg2?
- Keys
- 1.Qc3!
- 1...Kc6+
- 2.Be6#
- 1...Rxa5
- 2.cxb8S#
- 1...Sc6
- 2.Sf6#
- 1...Ra6
- 2.cxb8S#
- 1...Ra7
- 2.cxb8S#
- 1...Sa2
- 2.Bb5#
- 1...Sc2
- 2.Bb5#
- 1...Sd3
- 2.Bb5#
- 1...Sd5
- 2.Bb5#
- 1...Sa6
- 2.Bb5#
- 1...f5
- 2.Be6#
- 1...f6
- 2.Be6#
- 1...Kc6+
- 1.Qc3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- K(d);CHECK,OGATE,S_FLIGHT::QAR(I)+P(H)
- R(f);N_GUARD,XP(E)::PXR(g)=S
- R(f);N_GUARD::PXR(g)=S
- S(a);N_GUARD::B(C)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- R(f);N_GUARD,XP(E)::PXR(g)=S
- R(f);N_GUARD::PXR(g)=S
- S(a);N_GUARD::B(C)
- Refutation
- S(a);
- Try
- K(B);P-FLIGHT
- Vars
- R(f);N_GUARD,XP(E)::PXR(g)=S
- R(f);N_GUARD::PXR(g)=S
- S(a);N_GUARD::B(C)
- Refutation
- S(a);
- Try
- K(B);P-FLIGHT
- Vars
- R(f);N_GUARD,XP(E)::PXR(g)=S
- R(f);N_GUARD::PXR(g)=S
- S(a);N_GUARD::B(C)
- Refutation
- S(a);
- Try
- K(B);S_FLIGHT
- Vars
- K(d);CHECK,OGATE,S_FLIGHT::QAR(I)+P(H)
- R(f);N_GUARD,XP(E)::PXR(g)=S
- R(f);N_GUARD::PXR(g)=S
- S(a);N_GUARD::B(C)
- Refutation
- S(a);
- Try
- K(B);P-FLIGHT
- Vars
- R(f);N_GUARD,XP(E)::PXR(g)=S
- R(f);N_GUARD::PXR(g)=S
- S(a);N_GUARD::B(C)
- Refutation
- S(a);
- Try
- B(C);
- Vars
- K(d);CHECK,OGATE,S_FLIGHT::QAR(I)+P(H)
- R(f);N_GUARD,XP(E)::PXR(g)=S
- S(a);SBLOCK::B(C)
- R(f);N_GUARD::PXR(g)=S
- S(a);N_GUARD::B(C)
- Refutation
- S(a);
- Try
- B(C);
- Vars
- K(d);CHECK,OGATE,S_FLIGHT::QAR(I)+P(H)
- R(f);N_GUARD,XP(E)::PXR(g)=S
- R(f);N_GUARD::PXR(g)=S
- S(a);N_GUARD::B(C)
- Refutation
- S(a);
- Try
- B(C);CHECK
- Vars
- K(d);P_PINB(C),S_FLIGHT::QAR(I)
- Refutation
- P(e);XB(C)
- Try
- R(A);
- Vars
- K(d);CHECK,OGATE,S_FLIGHT::QAR(I)+P(H)
- R(f);N_GUARD,XP(E)::PXR(g)=S
- R(f);N_GUARD::PXR(g)=S
- S(a);N_GUARD::B(C)
- Refutation
- S(a);
- Try
- R(A);
- Vars
- K(d);CHECK,OGATE,S_FLIGHT::QAR(I)+P(H)
- R(f);N_GUARD,XP(E)::PXR(g)=S
- S(a);N_GUARD,XR(A)::B(C)
- R(f);N_GUARD::PXR(g)=S
- S(a);N_GUARD::B(C)
- Refutation
- S(a);
- Try
- R(A);
- Vars
- K(d);CHECK,OGATE,S_FLIGHT::QAR(I)+P(H)
- R(f);N_GUARD,XP(E)::PXR(g)=S
- R(f);N_GUARD::PXR(g)=S
- S(a);N_GUARD::B(C)
- Refutation
- S(a);
- Try
- R(A);
- Vars
- K(d);CHECK,OGATE,S_FLIGHT::QAR(I)+P(H)
- R(f);N_GUARD,XP(E)::PXR(g)=S
- S(a);N_GUARD,XR(A)::B(C)
- R(f);N_GUARD::PXR(g)=S
- S(a);N_GUARD::B(C)
- Refutation
- S(a);
- Try
- R(F);
- Vars
- R(f);N_GUARD,XP(E)::PXR(g)=S
- R(f);N_GUARD::PXR(g)=S
- S(a);N_GUARD::B(C)
- P(b);N_GUARD::QAB(I)
- Refutation
- S(a);
- Try
- Q(I);CHECK
- Vars
- K(d);P_PINQ(I),S_FLIGHT::B(C)
- Refutation
- P(b);XQ(I)
- Try
- Q(I);CHECK
- Vars
- K(d);P_PINQ(I),S_FLIGHT::B(C)
- Refutation
- P(e);XQ(I)
- Try
- Q(I);XP(e)
- Vars
- R(f);N_GUARD,XP(E)::PXR(g)=S
- R(f);N_GUARD::PXR(g)=S
- S(a);N_GUARD::B(C)
- Refutation
- K(d);CHECK,S_FLIGHT
- Try
- P(J);XR(g)
- Threat
- QAR1(J)
- Vars
- K(d);CHECK,OGATE,S_FLIGHT::QAR(I)+P(H)
- S(a);N_GUARD::B(C)
- Refutation
- R(f);XQ(J)
- Try
- Actual
- Q(I);
- Vars
- K(d);CHECK,S_FLIGHT::QAR(I)+B(C)
- R(f);N_GUARD,XP(E)::PXR(g)=S
- S(a);SBLOCK::S(M)
- R(f);N_GUARD::PXR(g)=S
- S(a);N_GUARD::B(C)
- P(e);N_GUARD::B(C)
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).