MESON Chess Problem Database
Problem Display
PID: 109367 (6QK/3p4/5RB1/3bp1pp/6kr/4B1Np/1r5P/q5R1 w - - 0 1)
Skrzek, Janusz
Apprenti Sorcier, 1993
#2
8 + 10
| 3713 | Snap | 2009 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bf3
- 2.Bf5#
- 1...Bf3
- Tries
- 1.Se4+?
- 1...Rg2
- 2.Sf2#
- 1...Qxg1!
- 1...Rg2
- 1.Sf5+?
- 1...Qxg1
- 2.Sh6#
- 1...Rg2
- 2.Sh6#
- 1...Bg2
- 2.Sh6#
- 1...Kf3!
- 1...Qxg1
- 1.Bb1?
- threat
- 2.Qxg5#
- 1...Bxg8
- 2.Se2#
- 1...Rb8
- 2.Se4#
- 1...Qa8!
- threat
- 1.Bc2?
- threat
- 2.Qxg5#
- 1...Bxg8
- 2.Sf1#
- 1...Qa8
- 2.Se4#
- 1...Rb8!
- threat
- 1.Rf4+?
- 1...gxf4
- 2.Bxh5#
- 1...exf4!
- 1...gxf4
- 1.Se4+?
- Keys
- 1.Be4!
- threat
- 2.Qxg5#
- 1...Bxg8
- 2.Bf3#
- 1...Qa8
- 2.Se2#
- 1...Rb8
- 2.Sf1#
- threat
- 1.Be4!
Anticipated by 33326(1987)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- B(f);SBLOCK::B(F)
- Tries
- Try
- S(D);CHECK
- Vars
- R(b);P_SPINR(b)::S(D)
- Refutation
- Q(a);XR(A)
- Try
- S(D);CHECK
- Vars
- Q(a);XR(A)::S(D)
- R(b);P_SPINR(b)::S(D)
- B(f);P_SPINB(f)::S(D)
- Refutation
- K(d);S_FLIGHT
- Try
- B(F);P_PINP(h)
- Threat
- QAR1(G),XP(h)
- Vars
- B(f);N_GUARD,N_SPINP(h),XQ(G)::R(A)+S(D)
- R(b);N_GUARD,P_PINQ(G)::R(A)+S(D)
- Refutation
- Q(a);P_PINQ(G)
- Try
- B(F);P_PINP(h)
- Threat
- QAR1(G),XP(h)
- Vars
- B(f);N_GUARD,N_SPINP(h),XQ(G)::R(A)+S(D)
- Q(a);N_GUARD,P_PINQ(G)::R(A)+S(D)
- Refutation
- R(b);P_PINQ(G)
- Try
- R(E);CHECK
- Vars
- P(h);XR(E)::QAR(G)+B(F),DCHECK,XP(i)
- Refutation
- P(g);XR(E)
- Try
- Actual
- B(F);P_PINP(h)
- Threat
- QAR1(G),XP(h)
- Vars
- B(f);N_GUARD,N_SPINP(h),XQ(G)::B(F)
- Q(a);N_GUARD,P_PINQ(G)::R(A)+S(D)
- R(b);N_GUARD,P_PINQ(G)::R(A)+S(D)
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).