MESON Chess Problem Database
Problem Display
PID: 237456 (1N1R3n/p3B3/r1p1p3/3Bk1N1/3b2P1/p1RP2Pn/4p3/KbQ2qr1 w - - 0 1)
Labai, Zoltan
4th Prize, Kudesnik, 2009
#2
11 + 13
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qxc1
- 2.Sf3#
- 1...Qd1
- 2.Sf3#
- 1...Qe1
- 2.Sf3#
- 1...Qf3
- 2.Sxf3#
- 1...Ra4
- 2.Sxc6#
- 1...Ra5
- 2.Sxc6#
- 1...Bf2
- 2.Sf3#
- 1...Bxc3+
- 2.Qxc3#
- 1...Be3
- 2.Qxe3#
- 1...Bb6
- 2.Sxc6#
- 1...Sf2
- 2.Sf3#
- 2.Qf4#
- 1...cxd5
- 2.Sd7#
- 1...exd5
- 2.Sd7#
- 1...Qxc1
- Tries
- 1.Ba2?
- threat
- 2.Sd7#
- 1...Bxc3+
- 2.Qxc3#
- 1...Bf2
- 2.Sf3#
- 1...Be3
- 2.Qxe3#
- 1...Bc5
- 2.Rxc5#
- 1...Bb6
- 2.Sxc6#
- 1...Bxa2!
- threat
- 1.Bf3?
- threat
- 2.Sd7#
- 1...Bxc3+
- 2.Qxc3#
- 1...Qxf3
- 2.Sxf3#
- 1...Be3
- 2.Qxe3#
- 1...Bc5
- 2.Rxc5#
- 1...Bb6
- 2.Sxc6#
- 1...Bf2!
- threat
- 1.Bc4?
- threat
- 2.Sd7#
- 1...Bxc3+
- 2.Qxc3#
- 1...Bf2
- 2.Sf3#
- 1...Be3
- 2.Qxe3#
- 1...Bb6
- 2.Sxc6#
- 1...Bc5!
- threat
- 1.Be4?
- threat
- 2.Sd7#
- 1...Bxc3+
- 2.Qxc3#
- 1...Bf2
- 2.Sf3#
- 1...Bc5
- 2.Rxc5#
- 1...Bb6
- 2.Sxc6#
- 1...Be3!
- threat
- 1.Bxc6?
- threat
- 2.Sd7#
- 1...Bxc3+
- 2.Qxc3#
- 1...Rxc6
- 2.Sxc6#
- 1...Bf2
- 2.Sf3#
- 1...Be3
- 2.Qxe3#
- 1...Bc5
- 2.Rxc5#
- 1...Bb6!
- threat
- 1.Bd6+?
- 1...Kxd5
- 2.Bf4#
- 2.Bc7#
- 1...Kf6!
- 1...Kxd5
- 1.Rd6?
- threat
- 2.Sd7#
- 1...Bxc3+
- 2.Qxc3#
- 1...Bf2
- 2.Sf3#
- 1...Be3
- 2.Qxe3#
- 1...Bb6
- 2.Sxc6#
- 1...Bc5!
- threat
- 1.Ba2?
- Keys
- 1.Bb3!
- threat
- 2.Sd7#
- 1...Bxc3+
- 2.Qxc3#
- 1...Bf2
- 2.Sf3#
- 1...Be3
- 2.Qxe3#
- 1...Bc5
- 2.Rxc5#
- 1...Bb6
- 2.Sxc6#
- threat
- 1.Bb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 8
- Sets
- Q(b);N_GUARD,XQ(B)::S(H)
- Q(b);N_GUARD::S(H)
- Q(b);N_GUARD::S(H),XQ(b)
- R(i);N_GUARD::S(J),XP(j)
- B(g);N_PINR(C),S_CUTQ(b)::S(H)
- B(g);CHECK,OGATE,XR(C)::QAB(B),XB(g)
- B(g);N_GUARD,N_PINR(C)::QAR2(B),XB(g)
- B(g);N_PINR(C),S_CUTR(i)::S(J),XP(j)
- P(j);SBLOCK,XB(G)::S(J)
- P(k);SBLOCK,XB(G)::S(J)
- Tries
- Try
- B(G);
- Threat
- S(J)
- Vars
- B(g);CHECK,OGATE,XR(C)::QAB(B),XB(g)
- B(g);N_PINR(C),S_CUTQ(b)::S(H)
- B(g);N_GUARD,N_PINR(C)::QAR2(B),XB(g)
- B(g);N_PINR(C)::R(C),XB(g)
- B(g);N_PINR(C),S_CUTR(i)::S(J),XP(j)
- Refutation
- B(a);P_PINQ(B),XB(G)
- Try
- B(G);
- Threat
- S(J)
- Vars
- B(g);CHECK,OGATE,XR(C)::QAB(B),XB(g)
- Q(b);XB(G)::S(H),XQ(b)
- B(g);N_GUARD,N_PINR(C)::QAR2(B),XB(g)
- B(g);N_PINR(C)::R(C),XB(g)
- B(g);N_PINR(C),S_CUTR(i)::S(J),XP(j)
- Refutation
- B(g);N_PINR(C)
- Try
- B(G);
- Threat
- S(J)
- Vars
- B(g);CHECK,OGATE,XR(C)::QAB(B),XB(g)
- B(g);N_PINR(C),S_CUTQ(b)::S(H)
- B(g);N_GUARD,N_PINR(C)::QAR2(B),XB(g)
- B(g);N_PINR(C),S_CUTR(i)::S(J),XP(j)
- Refutation
- B(g);N_PINR(C)
- Try
- B(G);
- Threat
- S(J)
- Vars
- B(g);CHECK,OGATE,XR(C)::QAB(B),XB(g)
- B(g);N_PINR(C),S_CUTQ(b)::S(H)
- B(g);N_PINR(C)::R(C),XB(g)
- B(g);N_PINR(C),S_CUTR(i)::S(J),XP(j)
- Refutation
- B(g);N_PINR(C)
- Try
- B(G);XP(j)
- Threat
- S(J)
- Vars
- B(g);CHECK,OGATE,XR(C)::QAB(B),XB(g)
- R(i);XB(G)::S(J),XR(i)
- B(g);N_PINR(C),S_CUTQ(b)::S(H)
- B(g);N_GUARD,N_PINR(C)::QAR2(B),XB(g)
- B(g);N_PINR(C)::R(C),XB(g)
- Refutation
- B(g);N_PINR(C)
- Try
- B(I);CHECK
- Refutation
- K(h);S_FLIGHT
- Try
- R(K);
- Threat
- S(J)
- Vars
- B(g);CHECK,OGATE,XR(C)::QAB(B),XB(g)
- B(g);N_PINR(C),S_CUTQ(b)::S(H)
- B(g);N_GUARD,N_PINR(C)::QAR2(B),XB(g)
- B(g);N_PINR(C),S_CUTR(i)::S(J),XP(j)
- Refutation
- B(g);N_PINR(C)
- Try
- Actual
- B(G);
- Threat
- S(J)
- Vars
- B(g);CHECK,OGATE,XR(C)::QAB(B),XB(g)
- B(g);N_PINR(C),S_CUTQ(b)::S(H)
- B(g);N_GUARD,N_PINR(C)::QAR2(B),XB(g)
- B(g);N_PINR(C)::R(C),XB(g)
- B(g);N_PINR(C),S_CUTR(i)::S(J),XP(j)
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).