MESON Chess Problem Database
Problem Display
PID: 142381 (1Qb2N2/4p3/n1Bb2p1/N1R1P3/Pp1k4/1P1p2Kp/q1pP3B/2r5 w - - 0 1)
Melvin, Herbert A ('Hamel' or Zaak, HA)
1st Prize, Hobbies, 1906
(First published on Sat Dec 29 1906)
#2
11 + 12
| 14867 | BCPS Library | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Kxc5
- 2.Qa7#
- 1...Qxb3
- 2.Sxb3#
- 1...Rg1+
- 2.Bxg1#
- 1...Bxe5+
- 2.Qxe5#
- 1...Be6
- 2.Sxe6#
- 1...Bb7
- 2.Se6#
- 1...Sc7
- 2.Qxb4#
- 1...e6
- 2.Qxd6#
- 1...Kxc5
- Tries
- 1.Bh1?
- threat
- 2.Rd5#
- 1...Rg1+
- 2.Bxg1#
- 1...Bxe5+
- 2.Qxe5#
- 1...Kxc5
- 2.Qa7#
- 1...Qxb3
- 2.Sxb3#
- 1...Bxc5
- 2.Sc6#
- 1...Sxc5
- 2.Sc6#
- 1...Be6
- 2.Sxe6#
- 1...Bb7
- 2.Se6#
- 1...Sc7
- 2.Qxb4#
- 1...e6
- 2.Qxd6#
- 1...Rxh1!
- threat
- 1.Bg2?
- threat
- 2.Rd5#
- 1...Bxe5+
- 2.Qxe5#
- 1...Kxc5
- 2.Qa7#
- 1...Qxb3
- 2.Sxb3#
- 1...Bxc5
- 2.Sc6#
- 1...Sxc5
- 2.Sc6#
- 1...Be6
- 2.Sxe6#
- 1...Bb7
- 2.Se6#
- 1...Sc7
- 2.Qxb4#
- 1...e6
- 2.Qxd6#
- 1...hxg2!
- threat
- 1.Bh1?
- Keys
- 1.Bf3!
- threat
- 2.Rd5#
- 1...Rg1+
- 2.Bxg1#
- 1...Bxe5+
- 2.Qxe5#
- 1...Kxc5
- 2.Qa7#
- 1...Qxb3
- 2.Sxb3#
- 1...Bxc5
- 2.Sc6#
- 1...Sxc5
- 2.Sc6#
- 1...Be6
- 2.Sxe6#
- 1...Bb7
- 2.Se6#
- 1...Sc7
- 2.Qxb4#
- 1...e6
- 2.Qxd6#
- threat
- 1.Bf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(g);OGATEB,S_FLIGHT,XR(G)::QAB(J)
- Q(b);XP(C)::S(F),XQ(b)
- R(a);CHECK,N_GUARD::B(B),XR(a)
- B(i);CHECK,OGATE,XP(H)::QAB1(J),XB(i)
- B(l);N_GUARD::S(K),XB(l)
- B(l);N_GUARD::S(K)
- S(h);N_GUARD::QAR2(J),XP(f)
- P(k);N_GUARD::QAR2(J),XB(i)
- Tries
- Try
- B(I);
- Threat
- R1(G)
- Vars
- R(a);CHECK,N_GUARD::B(B),XR(a)
- B(i);CHECK,OGATE,XP(H)::QAB1(J),XB(i)
- K(g);OGATEB,S_FLIGHT,XR(G)::QAB(J)
- Q(b);XP(C)::S(F),XQ(b)
- B(i);N_PINP(H),SBLOCK,XR(G)::S(F)
- S(h);SBLOCK,XR(G)::S(F)
- B(l);N_GUARD::S(K),XB(l)
- B(l);N_GUARD::S(K)
- S(h);N_GUARD::QAR2(J),XP(f)
- P(k);N_GUARD::QAR2(J),XB(i)
- Refutation
- R(a);XB(I)
- Try
- B(I);
- Threat
- R1(G)
- Vars
- B(i);CHECK,OGATE,XP(H)::QAB1(J),XB(i)
- K(g);OGATEB,S_FLIGHT,XR(G)::QAB(J)
- Q(b);XP(C)::S(F),XQ(b)
- B(i);N_PINP(H),SBLOCK,XR(G)::S(F)
- S(h);SBLOCK,XR(G)::S(F)
- B(l);N_GUARD::S(K),XB(l)
- B(l);N_GUARD::S(K)
- S(h);N_GUARD::QAR2(J),XP(f)
- P(k);N_GUARD::QAR2(J),XB(i)
- Refutation
- P(e);XB(I)
- Try
- Actual
- B(I);
- Threat
- R1(G)
- Vars
- R(a);CHECK,N_GUARD::B(B),XR(a)
- B(i);CHECK,OGATE,XP(H)::QAB1(J),XB(i)
- K(g);OGATEB,S_FLIGHT,XR(G)::QAB(J)
- Q(b);XP(C)::S(F),XQ(b)
- B(i);N_PINP(H),SBLOCK,XR(G)::S(F)
- S(h);SBLOCK,XR(G)::S(F)
- B(l);N_GUARD::S(K),XB(l)
- B(l);N_GUARD::S(K)
- S(h);N_GUARD::QAR2(J),XP(f)
- P(k);N_GUARD::QAR2(J),XB(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).