MESON Chess Problem Database
Problem Display
PID: 263789 (8/1B6/8/7R/1PQ3PN/K3b2p/4P1R1/7k w - - 0 1)
Hartong, Jan
Mai, Guglielmo
Mai, Luigi
Tijdschrift vd NSB, 1932
#2
9 + 3
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Bc1+
- 2.Qxc1#
- 1...Bg1
- 2.Rf2#
- 1...hxg2
- 2.Sf3#
- 1...h2
- 2.Rg3#
- 1...Bc1+
- Tries
- 1.Sf5?
- threat
- 2.Sg3#
- 2.Rxh3#
- 1...Bc1+
- 2.Qxc1#
- 1...Bg1
- 2.Sg3#
- 2.Rf2#
- 1...Bf2
- 2.Rxh3#
- 1...h2
- 2.Sg3#
- 2.Rg3#
- 2.Rhxh2#
- 1...Bf4!
- threat
- 1.Sg6?
- threat
- 2.Rxh3#
- 1...Bc1+
- 2.Qxc1#
- 1...Bg1
- 2.Rf2#
- 1...h2
- 2.Rg3#
- 2.Rhxh2#
- 1...Bf4!
- threat
- 1.Rg1+?
- 1...Kh2
- 2.Sf3#
- 1...Kxg1!
- 1...Kh2
- 1.Qb3?
- 1...hxg2
- 2.Sf3#
- 1...Bd2
- 2.Qxh3#
- 1...Bg1
- 2.Rf2#
- 1...Bf2
- 2.Qxh3#
- 1...Bd4
- 2.Qxh3#
- 1...Bf4
- 2.Qd1#
- 1...Bc5
- 2.Qxh3#
- 1...Bg5
- 2.Qd1#
- 2.Qxh3#
- 1...Bb6
- 2.Qxh3#
- 1...Bh6
- 2.Qd1#
- 2.Qxh3#
- 1...Ba7
- 2.Qxh3#
- 1...h2
- 2.Rg3#
- 1...Bc1+!
- 1...hxg2
- 1.Qd3?
- 1...hxg2
- 2.Sf3#
- 1...Bd2
- 2.Qxh3#
- 1...Bg1
- 2.Rf2#
- 1...Bf2
- 2.Qxh3#
- 1...Bd4
- 2.Qxh3#
- 1...Bf4
- 2.Qd1#
- 1...Bc5
- 2.Qxh3#
- 1...Bg5
- 2.Qd1#
- 2.Qxh3#
- 1...Bb6
- 2.Qxh3#
- 1...Bh6
- 2.Qd1#
- 2.Qxh3#
- 1...Ba7
- 2.Qxh3#
- 1...h2
- 2.Rg3#
- 1...Bc1+!
- 1...hxg2
- 1.Qc1+?
- 1...Bg1
- 2.Rf2#
- 2.Qxg1#
- 1...Bxc1+!
- 1...Bg1
- 1.Qf4?
- threat
- 2.Qh2#
- 1...Bc1+
- 2.Qxc1#
- 1...hxg2
- 2.Sf3#
- 1...Bg1
- 2.Rf2#
- 2.Rh2#
- 1...h2
- 2.Rg3#
- 2.Qxh2#
- 1...Bxf4!
- threat
- 1.Qc7?
- threat
- 2.Qh2#
- 1...Bc1+
- 2.Qxc1#
- 1...hxg2
- 2.Sf3#
- 1...Bg1
- 2.Rf2#
- 2.Rh2#
- 1...h2
- 2.Rg3#
- 2.Qxh2#
- 1...Bf4!
- threat
- 1.Sf5?
- Keys
- 1.Qc3!
- 1...Bc1+
- 2.Qxc1#
- 1...hxg2
- 2.Sf3#
- 1...Bd2
- 2.Qxh3#
- 1...Bg1
- 2.Rf2#
- 1...Bf2
- 2.Qxh3#
- 1...Bd4
- 2.Qxh3#
- 1...Bf4
- 2.Qe1#
- 1...Bc5
- 2.Qxh3#
- 1...Bg5
- 2.Qe1#
- 2.Qxh3#
- 1...Bb6
- 2.Qxh3#
- 1...Bh6
- 2.Qe1#
- 2.Qxh3#
- 1...Ba7
- 2.Qxh3#
- 1...h2
- 2.Rg3#
- 1...Bc1+
- 1.Qc3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- B(b);CHECK,N_GUARD::QAR(E),XB(b)
- B(b);SBLOCK::B(I)+R(B)
- P(c);P_SPINP(c),SBLOCK,XR(B)::R(H)+S(G)
- P(c);SBLOCK::B(I)+R(B)
- Tries
- Try
- S(G);P_PINP(c)
- Threat
- DUALS(2)
- Vars
- B(b);CHECK,N_GUARD::QAR(E),XB(b)
- B(b);::R(H),XP(c)
- Refutation
- B(b);
- Try
- S(G);P_PINP(c)
- Threat
- R(H),XP(c)
- Vars
- B(b);CHECK,N_GUARD::QAR(E),XB(b)
- B(b);SBLOCK::B(I)+R(B)
- Refutation
- B(b);
- Try
- R(B);CHECK
- Vars
- K(a);P-FLIGHT,S_CUTB(b)::S(G)
- Refutation
- K(a);P-FLIGHT,XR(B)
- Try
- Q(E);
- Vars
- P(c);P_SPINP(c),SBLOCK,XR(B)::R(H)+S(G)
- B(b);OGATE::QAR2(E),XP(c)
- B(b);SBLOCK::B(I)+R(B)
- B(b);N_GUARD::QAR(E)
- B(b);OGATE,P_PINP(D)::QAR2(E),XP(c)
- P(c);SBLOCK::B(I)+R(B)
- Refutation
- B(b);CHECK
- Try
- Q(E);
- Vars
- P(c);P_SPINP(c),SBLOCK,XR(B)::R(H)+S(G)
- B(b);OGATE::QAR2(E),XP(c)
- B(b);SBLOCK::B(I)+R(B)
- B(b);N_GUARD::QAR(E)
- B(b);OGATE,P_PINP(D)::QAR2(E),XP(c)
- P(c);SBLOCK::B(I)+R(B)
- Refutation
- B(b);CHECK
- Try
- Q(E);CHECK
- Refutation
- B(b);CHECK,XQ(E)
- Try
- Q(E);
- Threat
- QAR1(E)
- Vars
- B(b);CHECK,OGATE::QAR(E),XB(b)
- P(c);P_SPINP(c),SBLOCK,XR(B)::R(H)+S(G)
- Refutation
- B(b);XQ(E)
- Try
- Q(E);
- Threat
- QAR1(E)
- Vars
- B(b);CHECK,N_GUARD::QAR(E),XB(b)
- P(c);P_SPINP(c),SBLOCK,XR(B)::R(H)+S(G)
- Refutation
- B(b);
- Try
- Actual
- Q(E);
- Vars
- B(b);CHECK,N_GUARD::QAR(E),XB(b)
- P(c);P_SPINP(c),SBLOCK,XR(B)::R(H)+S(G)
- B(b);OGATE::QAR2(E),XP(c)
- B(b);SBLOCK::B(I)+R(B)
- B(b);N_GUARD::QAR(E)
- B(b);OGATE,P_PINP(D)::QAR2(E),XP(c)
- P(c);SBLOCK::B(I)+R(B)
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).