MESON Chess Problem Database
Problem Display
PID: 56117 (3R2r1/P3P1NQ/3qnB2/2p2p2/3pk3/1P1RN3/4PrPb/1BK2n2 w - - 0 1)
Grossman, Itzhak
Hirschenson, Aaron
Al Hamishmar, 1964
#2
13 + 10
| 3747 | FIDE Album (1962-1964) | 1968 |
SOLUTION
- SOUND
- Sets
- 1...Kf4
- 2.Qh4#
- 1...Qf4
- 2.a8Q#
- 2.a8B#
- 1...Rxe2
- 2.Qxf5#
- 1...Rxg2
- 2.Qxf5#
- 1...Bf4
- 2.Qxf5#
- 1...Sxe3
- 2.Rxd4#
- 1...Sf4
- 2.Qxf5#
- 1...dxe3
- 2.Rd4#
- 1...Kf4
- Tries
- 1.Sgxf5?
- threat
- 2.Rxd4#
- 1...Rxf5
- 2.Qxf5#
- 1...dxe3
- 2.Rd4#
- 1...Kf4!
- threat
- 1.Rc3+?
- 1...Kf4
- 2.Sh5#
- 2.Qh4#
- 1...d3!
- 1...Kf4
- 1.Sgxf5?
- Keys
- 1.Sexf5!
- threat
- 2.Rxd4#
- 1...Qf4+
- 2.Re3#
- 1...Bf4+
- 2.Se3#
- 1...Kf4
- 2.Qh4#
- 1...Kd5
- 2.a8Q#
- 2.a8B#
- 1...Rxf5
- 2.Qxf5#
- threat
- 1.Sexf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 5
- Sets
- K(e);N_SPINP(g),P-FLIGHT::QAR2(L)
- Q(h);N_GUARD,P_PINS(G),SBLOCK::P=Q
- R(b);N_GUARD,XP(C)::QAB1(L),XP(g)
- R(b);N_GUARD,XP(D)::QAB1(L),XP(g)
- B(c);P_PINS(G),S_CUTR(b)::QAB1(L),XP(g)
- S(a);SBLOCK,XS(G)::B(A)+R(F),DCHECK,XP(d)
- S(i);S_CUTR(b)::QAB1(L),XP(g)
- P(d);SBLOCK,XS(G)::B(A)+R(F),DCHECK
- Tries
- Try
- S(K);XP(g)
- Threat
- B(A)+R(F),DCHECK,XP(d)
- Vars
- R(b);OGATE,P_SPINR(b),XS(K)::QAB1(L),XR(b)
- P(d);XS(G)::B(A)+R(F),DCHECK
- Refutation
- K(e);P-FLIGHT
- Try
- R(F);CHECK
- Refutation
- P(d);N_SPINP(g),P_SPINP(d)
- Try
- Actual
- S(G);XP(g)
- Threat
- B(A)+R(F),DCHECK,XP(d)
- Vars
- Q(h);CHECK,SBLOCK::B(A)+R(F),DCHECK
- B(c);CHECK,SBLOCK,S_CUTR(b)::QAB(L)+S(G)
- K(e);P-FLIGHT::QAR2(L)
- K(e);P_SPINP(d),P_SPINQ(h),S_FLIGHT::P=Q
- R(b);OGATE,P_SPINR(b),XS(G)::QAB1(L),XR(b)
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).