MESON Chess Problem Database
Problem Display
PID: 24118 (2B1K3/b2Q1p2/2pP1p2/2NPk2p/bR2p1p1/6Nq/4R1P1/4n3 w - - 0 1)
Haring, Jacobus
1st Prize, Roemeense Probleembond, 1971
#2
10 + 11
SOLUTION
- SOUND
- Tries
- 1.Ke7?
- threat
- 2.Qf5#
- 1...Kxd5
- 2.Qf5#
- 1...f5
- 2.Qxf5#
- 1...Kf4!
- threat
- 1.Sgxe4?
- threat
- 2.Qf5#
- 1...Kf4
- 2.Qf5#
- 1...Kxd5
- 2.Qf5#
- 1...cxd5
- 2.Sg3#
- 1...g3
- 2.Sc3#
- 1...f5
- 2.Qxf5#
- 1...Qf3!
- threat
- 1.Rf2?
- threat
- 2.Rf5#
- 1...Kxd5
- 2.Rf5#
- 1...f5
- 2.Rxf5#
- 1...Sf3!
- threat
- 1.Ke7?
- Keys
- 1.Scxe4!
- threat
- 2.Qf5#
- 1...Kf4
- 2.Qf5#
- 1...Kxd5
- 2.Qf5#
- 1...cxd5
- 2.Sc5#
- 1...c5
- 2.Sc3#
- 1...f5
- 2.Qxf5#
- threat
- 1.Scxe4!
This is a version of 88509
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- Tries
- Try
- K(J);P-FLIGHT
- Threat
- QAR1(H)
- Vars
- K(f);N_SPINP(d),P-FLIGHT,XP(F)::QAR2(H)
- P(i);::QAR1(H),XP(i)
- Refutation
- K(f);S_FLIGHT
- Try
- S(C);XP(d)
- Threat
- QAR1(H)
- Vars
- K(f);S_FLIGHT::QAR1(H)
- K(f);P-FLIGHT,XP(F)::QAR2(H)
- P(h);P_PINQ(H),SBLOCK,XP(F)::R(A)+S(C)
- P(e);S_CUTQ(b)::R(A)+S(C)
- P(i);::QAR1(H),XP(i)
- Refutation
- Q(b);
- Try
- R(A);N_PINP(d)
- Threat
- R1(A)
- Vars
- K(f);P-FLIGHT,XP(F)::R(A)
- P(i);::R1(A),XP(i)
- Refutation
- S(a);
- Try
- Actual
- S(E);XP(d)
- Threat
- QAR1(H)
- Vars
- K(f);S_FLIGHT::QAR1(H)
- K(f);P-FLIGHT,XP(F)::QAR2(H)
- P(h);P_PINQ(H),SBLOCK,XP(F)::R(A)+S(E)
- P(h);P_PINQ(H),S_CUTB(j)::R(A)+S(E)
- P(i);::QAR1(H),XP(i)
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).