MESON Chess Problem Database
Problem Display
PID: 53825 (4R2b/7b/3p4/3Qp1n1/R3pP2/2p1kPB1/2P3P1/3K2n1 w - - 0 1)
Jarman, CP
Chess, 1942
#2
9 + 9
SOLUTION
- SOUND
- Sets
- 1...exf3
- 2.Qd4#
- 1...exf4
- 2.Qd3#
- 1...exf3
- Tries
- 1.Ra3?
- threat
- 2.Rxc3#
- 2.Qd2#
- 1...S1xf3
- 2.Rxc3#
- 1...S5xf3
- 2.Rxc3#
- 1...exf4
- 2.Qd2#
- 2.Qd3#
- 1...Se2
- 2.Qd2#
- 1...exf3!
- threat
- 1.Rc4?
- threat
- 2.Rxc3#
- 1...exf3
- 2.Qd4#
- 1...exf4
- 2.Qd3#
- 1...Se2!
- threat
- 1.Rxe4+?
- 1...Sxe4
- 2.Qd3#
- 1...Bxe4!
- 1...Sxe4
- 1.Rxe5?
- threat
- 2.Qd3#
- 2.Qd4#
- 1...S1xf3
- 2.Qd3#
- 1...S5xf3
- 2.Qd3#
- 1...dxe5
- 2.Qc5#
- 1...Se2
- 2.Qd3#
- 1...Se6
- 2.Qd3#
- 1...Bxe5!
- threat
- 1.Ra3?
- Keys
- 1.Qc4!
- threat
- 2.Qxc3#
- 1...exf3
- 2.Qd4#
- 1...exf4
- 2.Qd3#
- 1...Se2
- 2.Qxe2#
- threat
- 1.Qc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- P(d);P_SPINP(e),XP(D)::QAB1(H)
- P(e);P_SPINP(d),XP(G)::QAR1(H)
- Tries
- Try
- R(F);P_PINP(b)
- Threat
- DUALS(2)
- Vars
- S(a);XP(D)::R(F),XP(b)
- S(f);XP(D)::R(F),XP(b)
- S(a);::QAB1(H)
- Refutation
- P(d);XP(D)
- Try
- R(F);
- Threat
- R(F),XP(b)
- Vars
- P(d);P_SPINP(e),XP(D)::QAB1(H)
- P(e);P_SPINP(d),XP(G)::QAR1(H)
- Refutation
- S(a);
- Try
- R(F);CHECK,XP(d)
- Vars
- S(f);XR(F)::QAR1(H)
- Refutation
- B(h);XR(F)
- Try
- R(I);P_PINP(d),XP(e)
- Threat
- DUALS(2)
- Vars
- S(a);XP(D)::QAR1(H)
- S(f);XP(D)::QAR1(H)
- P(g);N_GUARD,N_SPINP(d),XR(I)::QAB(H)
- S(a);::QAR1(H)
- S(f);::QAR1(H)
- Refutation
- B(i);N_SPINP(d),XR(I)
- Try
- Actual
- Q(H);
- Threat
- QAR2(H),XP(b)
- Vars
- P(d);P_SPINP(e),XP(D)::QAB1(H)
- P(e);P_SPINP(d),XP(G)::QAR1(H)
- S(a);N_GUARD::QAR1(H),XS(a)
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).