MESON Chess Problem Database
Problem Display
PID: 263802 (8/3p4/1Q1PNr2/2n1kq1R/2P1N3/1P2R1P1/1n1P1P2/BK6 w - - 0 1)
Neumann, Itzhak
Tijdschrift vd NSB, 1934
#2
13 + 6
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rxe6
- 2.Bxb2#
- 2.Qxc5#
- 1...Sd3
- 2.Sc3#
- 2.S4c5#
- 1...dxe6
- 2.Bxb2#
- 2.Qxc5#
- 1...Rxe6
- Tries
- 1.Sf4?
- threat
- 2.Bxb2#
- 2.Qxc5#
- 1...Kd4
- 2.Bxb2#
- 1...Qxh5
- 2.Qxc5#
- 1...Rxd6
- 2.Qxd6#
- 1...Sxe4
- 2.Bxb2#
- 2.Qc5#
- 2.d4#
- 1...Qg5
- 2.Qxc5#
- 1...Sd3
- 2.Sc3#
- 1...Sa4
- 2.d4#
- 1...Sa6
- 2.Bxb2#
- 2.d4#
- 1...Se6
- 2.Sd3#
- 1...Sb7
- 2.Bxb2#
- 2.d4#
- 1...Sxb3!
- threat
- 1.Sc7?
- threat
- 2.Bxb2#
- 2.Qxc5#
- 1...Kd4
- 2.Bxb2#
- 1...Qxh5
- 2.Qxc5#
- 1...Rxd6
- 2.Qxd6#
- 1...Sxb3
- 2.f4#
- 1...Sxe4
- 2.Bxb2#
- 2.Qc5#
- 2.d4#
- 2.f4#
- 1...Qg5
- 2.Qxc5#
- 1...Sd3
- 2.Sc3#
- 1...Sa4
- 2.d4#
- 2.f4#
- 1...Sa6
- 2.Bxb2#
- 2.d4#
- 2.f4#
- 1...Sb7
- 2.Bxb2#
- 2.d4#
- 2.f4#
- 1...Se6!
- threat
- 1.Sg7?
- threat
- 2.Bxb2#
- 2.Qxc5#
- 1...Kd4
- 2.Bxb2#
- 1...Rxd6
- 2.Qxd6#
- 1...Sxb3
- 2.f4#
- 1...Sxe4
- 2.Bxb2#
- 2.Qc5#
- 2.d4#
- 2.f4#
- 1...Sd3
- 2.Sc3#
- 1...Sa4
- 2.d4#
- 2.f4#
- 1...Sa6
- 2.Bxb2#
- 2.d4#
- 2.f4#
- 1...Sb7
- 2.Bxb2#
- 2.d4#
- 2.f4#
- 1...Se6!
- threat
- 1.Sd8?
- threat
- 2.Bxb2#
- 2.Qxc5#
- 1...Kd4
- 2.Bxb2#
- 1...Qxh5
- 2.Qxc5#
- 1...Rxd6
- 2.Qxd6#
- 1...Sxb3
- 2.f4#
- 1...Sxe4
- 2.Bxb2#
- 2.Qc5#
- 2.d4#
- 2.f4#
- 1...Qg5
- 2.Qxc5#
- 1...Sd3
- 2.Sc3#
- 1...Sa4
- 2.d4#
- 2.f4#
- 1...Sa6
- 2.Bxb2#
- 2.d4#
- 2.f4#
- 1...Sb7
- 2.Bxb2#
- 2.d4#
- 2.f4#
- 1...Se6!
- threat
- 1.Sf8?
- threat
- 2.Bxb2#
- 2.Qxc5#
- 1...Kd4
- 2.Bxb2#
- 1...Qxh5
- 2.Qxc5#
- 1...Rxd6
- 2.Qxd6#
- 1...Sxb3
- 2.f4#
- 1...Sxe4
- 2.Bxb2#
- 2.Qc5#
- 2.d4#
- 2.f4#
- 1...Qg5
- 2.Qxc5#
- 1...Se6
- 2.Sxd7#
- 1...Sd3
- 2.Sc3#
- 1...Sa4
- 2.d4#
- 2.f4#
- 1...Sa6
- 2.Bxb2#
- 2.d4#
- 2.f4#
- 1...Sb7
- 2.Bxb2#
- 2.d4#
- 2.f4#
- 1...Rxf8!
- threat
- 1.Sf4?
- Keys
- 1.Sd4!
- threat
- 2.Qxc5#
- 1...Kxd4
- 2.Bxb2#
- 1...Rxd6
- 2.Qxd6#
- 1...Sxb3
- 2.f4#
- 1...Sxe4
- 2.Qc5#
- 2.f4#
- 1...Sbd3
- 2.Sxc5#
- 1...Sba4
- 2.f4#
- 1...Scd3
- 2.Sc3#
- 1...Sca4
- 2.f4#
- 1...Sa6
- 2.f4#
- 1...Se6
- 2.Sf3#
- 1...Sb7
- 2.f4#
- threat
- 1.Sd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(M);
- Threat
- DUALS(2)
- Vars
- K(c);N_SPINQ(d),S_FLIGHT::B(A),XS(a)
- Q(d);N_PINS(I),N_SPINQ(d),XR(J)::QAR2(K),XS(b)
- R(e);OGATE,XP(L)::QAB1(K),XR(e)
- Q(d);N_PINS(I)::QAR2(K),XS(b)
- S(b);N_PINS(I)::R(F)+S(I)
- S(b);::P(C)
- S(b);N_GUARD,SBLOCK::S(M)
- Refutation
- S(b);XP(E)
- Try
- S(M);
- Threat
- DUALS(2)
- Vars
- K(c);N_SPINQ(d),S_FLIGHT::B(A),XS(a)
- Q(d);N_PINS(I),N_SPINQ(d),XR(J)::QAR2(K),XS(b)
- R(e);OGATE,XP(L)::QAB1(K),XR(e)
- S(b);XP(E)::P(D)
- Q(d);N_PINS(I)::QAR2(K),XS(b)
- S(b);N_PINS(I)::R(F)+S(I)
- Refutation
- S(b);
- Try
- S(M);
- Threat
- DUALS(2)
- Vars
- K(c);N_SPINQ(d),S_FLIGHT::B(A),XS(a)
- R(e);OGATE,XP(L)::QAB1(K),XR(e)
- S(b);XP(E)::P(D)
- S(b);N_PINS(I)::R(F)+S(I)
- Refutation
- S(b);
- Try
- S(M);
- Threat
- DUALS(2)
- Vars
- K(c);N_SPINQ(d),S_FLIGHT::B(A),XS(a)
- Q(d);N_PINS(I),N_SPINQ(d),XR(J)::QAR2(K),XS(b)
- R(e);OGATE,XP(L)::QAB1(K),XR(e)
- S(b);XP(E)::P(D)
- Q(d);N_PINS(I)::QAR2(K),XS(b)
- S(b);N_PINS(I)::R(F)+S(I)
- Refutation
- S(b);
- Try
- S(M);
- Threat
- DUALS(2)
- Vars
- K(c);N_SPINQ(d),S_FLIGHT::B(A),XS(a)
- Q(d);N_PINS(I),N_SPINQ(d),XR(J)::QAR2(K),XS(b)
- R(e);OGATE,XP(L)::QAB1(K),XR(e)
- S(b);XP(E)::P(D)
- Q(d);N_PINS(I)::QAR2(K),XS(b)
- S(b);N_GUARD,SBLOCK::S(M),XP(f)
- S(b);N_PINS(I)::R(F)+S(I)
- Refutation
- R(e);XS(M)
- Try
- Actual
- S(M);N_PINS(a)
- Threat
- QAR2(K),XS(b)
- Vars
- K(c);N_SPINQ(d),OGATEB,P_SPINS(a),S_FLIGHT,XS(M)::B(A),XS(a)
- R(e);OGATE,XP(L)::QAB1(K),XR(e)
- S(b);XP(E)::P(D)
- S(a);N_PINS(I)::R(F)+S(I),XS(b)
- S(a);::P(D)
- S(b);N_PINS(I)::R(F)+S(I)
- S(b);::P(D)
- S(b);SBLOCK::S(M)
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).