MESON Chess Problem Database
Problem Display
PID: 30776 (4Q3/rk5K/p3p2P/P2bB3/2p5/2P2p1p/4pRnP/1B4R1 w - - 0 1)
Bolus, Andrew
2nd Place, American Chess Bulletin, 1911
#2
10 + 10
| 2638 | White to Play | 1913 |
| 236 | The Field | 1962 |
SOLUTION
- SOUND
- Sets
- 1...Ra8
- 2.Qd7#
- 1...Be4+
- 2.Bxe4#
- 1...Bc6
- 2.Qb8#
- 1...Se1
- 2.Rg7#
- 1...Se3
- 2.Rg7#
- 1...Sf4
- 2.Rg7#
- 1...Sh4
- 2.Rg7#
- 1...e1Q
- 2.Rb2#
- 1...e1S
- 2.Rb2#
- 1...e1B
- 2.Rb2#
- 1...e1R
- 2.Rb2#
- 1...Ra8
- Tries
- 1.Kg8?
- 1...e1Q
- 2.Rb2#
- 1...e1S
- 2.Rb2#
- 1...e1B
- 2.Rb2#
- 1...e1R
- 2.Rb2#
- 1...Be4
- 2.Bxe4#
- 1...Bc6
- 2.Qb8#
- 1...Se1
- 2.Rg7#
- 1...Se3
- 2.Rg7#
- 1...Sf4
- 2.Rg7#
- 1...Sh4
- 2.Rg7#
- 1...Ra8!
- 1...e1Q
- 1.Kh8?
- 1...e1Q
- 2.Rb2#
- 1...e1S
- 2.Rb2#
- 1...e1B
- 2.Rb2#
- 1...e1R
- 2.Rb2#
- 1...Be4
- 2.Bxe4#
- 1...Bc6
- 2.Qb8#
- 1...Se1
- 2.Rg7#
- 1...Se3
- 2.Rg7#
- 1...Sf4
- 2.Rg7#
- 1...Sh4
- 2.Rg7#
- 1...Ra8!
- 1...e1Q
- 1.Ba2?
- threat
- 2.Rb1#
- 1...Ra8
- 2.Qd7#
- 1...e1Q
- 2.Rb2#
- 1...e1S
- 2.Rb2#
- 1...e1B
- 2.Rb2#
- 1...e1R
- 2.Rb2#
- 1...Bc6
- 2.Qb8#
- 1...Se1
- 2.Rg7#
- 1...Be4+!
- threat
- 1.Bd3?
- threat
- 2.Rb1#
- 1...Be4+
- 2.Bxe4#
- 1...Ra8
- 2.Qd7#
- 1...e1Q
- 2.Rb2#
- 1...e1S
- 2.Rb2#
- 1...e1B
- 2.Rb2#
- 1...e1R
- 2.Rb2#
- 1...Bc6
- 2.Qb8#
- 1...Se1
- 2.Rg7#
- 1...cxd3!
- threat
- 1.Be4?
- threat
- 2.Rb1#
- 1...Ra8
- 2.Qd7#
- 1...e1Q
- 2.Rb2#
- 1...e1S
- 2.Rb2#
- 1...e1B
- 2.Rb2#
- 1...e1R
- 2.Rb2#
- 1...Se1
- 2.Rg7#
- 1...Bxe4+!
- threat
- 1.Bg6?
- threat
- 2.Rb1#
- 1...Ra8
- 2.Qd7#
- 1...e1Q
- 2.Rb2#
- 1...e1S
- 2.Rb2#
- 1...e1B
- 2.Rb2#
- 1...e1R
- 2.Rb2#
- 1...Be4
- 2.Bxe4#
- 1...Bc6
- 2.Qb8#
- 1...Se1!
- threat
- 1.Bf4?
- 1...Be4+
- 2.Bxe4#
- 1...Sxf4
- 2.Rg7#
- 1...Ra8
- 2.Qd7#
- 1...e1Q
- 2.Rb2#
- 1...e1S
- 2.Rb2#
- 1...e1B
- 2.Rb2#
- 1...e1R
- 2.Rb2#
- 1...Se1
- 2.Rg7#
- 1...Bc6
- 2.Qb8#
- 1...Se3
- 2.Rg7#
- 1...Sh4
- 2.Rg7#
- 1...e5!
- 1...Be4+
- 1.Bd6?
- 1...Be4+
- 2.Bxe4#
- 1...Ra8
- 2.Qd7#
- 1...e1Q
- 2.Rb2#
- 1...e1S
- 2.Rb2#
- 1...e1B
- 2.Rb2#
- 1...e1R
- 2.Rb2#
- 1...Se1
- 2.Rg7#
- 1...Bc6
- 2.Qb8#
- 1...Se3
- 2.Rg7#
- 1...Sf4
- 2.Rg7#
- 1...Sh4
- 2.Rg7#
- 1...e5!
- 1...Be4+
- 1.Rgxg2?
- threat
- 2.Rg7#
- 1...Be4+
- 2.Bxe4#
- 1...fxg2
- 2.Rf7#
- 1...Bc6
- 2.Qb8#
- 1...hxg2!
- threat
- 1.Rxe2?
- threat
- 2.Rb2#
- 1...Be4+
- 2.Bxe4#
- 1...Ra8
- 2.Qd7#
- 1...Bc6
- 2.Qb8#
- 1...fxe2!
- threat
- 1.Rxf3?
- threat
- 2.Rf7#
- 1...Be4+
- 2.Bxe4#
- 1...Bc6
- 2.Qb8#
- 1...Sf4
- 2.Rg7#
- 1...Bxf3!
- threat
- 1.Kg8?
- Keys
- 1.Bf5!
- threat
- 2.Rb1#
- 1...Ra8
- 2.Qd7#
- 1...e1Q
- 2.Rb2#
- 1...e1S
- 2.Rb2#
- 1...e1B
- 2.Rb2#
- 1...e1R
- 2.Rb2#
- 1...Be4
- 2.Bxe4#
- 1...Bc6
- 2.Qb8#
- 1...Se1
- 2.Rg7#
- threat
- 1.Bf5!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- R(i);SBLOCK::QAR2(J)
- B(f);CHECK,OGATEB::B(A),XB(f)
- B(f);SBLOCK::QAR1(J)
- S(b);OGATE::R(B)
- P(a);OGATE::R(C)
- Tries
- Try
- K(I);S_FLIGHT
- Vars
- P(a);OGATE::R(C)
- B(f);OGATEB::B(A),XB(f)
- B(f);SBLOCK::QAR1(J)
- S(b);OGATE::R(B)
- Refutation
- R(i);P_PINQ(J)
- Try
- K(I);P-FLIGHT
- Vars
- P(a);OGATE::R(C)
- B(f);OGATEB::B(A),XB(f)
- B(f);SBLOCK::QAR1(J)
- S(b);OGATE::R(B)
- Refutation
- R(i);P_PINQ(J)
- Try
- B(A);
- Threat
- R(B)
- Vars
- R(i);SBLOCK::QAR2(J)
- P(a);OGATE::R(C)
- B(f);SBLOCK::QAR1(J)
- S(b);OGATE::R(B)
- Refutation
- B(f);CHECK
- Try
- B(A);
- Threat
- R(B)
- Vars
- B(f);CHECK,OGATEB::B(A),XB(f)
- R(i);SBLOCK::QAR2(J)
- P(a);OGATE::R(C)
- B(f);SBLOCK::QAR1(J)
- S(b);OGATE::R(B)
- Refutation
- P(e);XB(A)
- Try
- B(A);P_PINB(f)
- Threat
- R(B)
- Vars
- R(i);SBLOCK::QAR2(J)
- P(a);OGATE::R(C)
- S(b);OGATE::R(B)
- Refutation
- B(f);CHECK,N_SPINB(f),XB(A)
- Try
- B(A);
- Threat
- R(B)
- Vars
- R(i);SBLOCK::QAR2(J)
- P(a);OGATE::R(C)
- B(f);OGATEB,P_PINB(A)::B(A),XB(f)
- B(f);SBLOCK::QAR1(J)
- Refutation
- S(b);
- Try
- B(G);
- Vars
- B(f);CHECK,OGATEB::B(A),XB(f)
- S(b);OGATE,XB(G)::R(B)
- R(i);SBLOCK::QAR2(J)
- P(a);OGATE::R(C)
- S(b);OGATE::R(B)
- B(f);SBLOCK::QAR1(J)
- Refutation
- P(h);
- Try
- B(G);
- Vars
- B(f);CHECK,OGATEB::B(A),XB(f)
- R(i);SBLOCK::QAR2(J)
- P(a);OGATE::R(C)
- S(b);OGATE::R(B)
- B(f);SBLOCK::QAR1(J)
- Refutation
- P(h);
- Try
- R(B);XS(b)
- Threat
- R(B)
- Vars
- B(f);CHECK,OGATEB::B(A),XB(f)
- P(c);OGATE,XR(B)::R(C)
- B(f);SBLOCK::QAR1(J)
- Refutation
- P(d);XR(B)
- Try
- R(C);XP(a)
- Threat
- R(C)
- Vars
- B(f);CHECK,OGATEB::B(A),XB(f)
- R(i);SBLOCK::QAR2(J)
- B(f);SBLOCK::QAR1(J)
- Refutation
- P(c);XR(C)
- Try
- R(C);XP(c)
- Threat
- R(C)
- Vars
- B(f);CHECK,OGATEB::B(A),XB(f)
- B(f);SBLOCK::QAR1(J)
- S(b);OGATE::R(B)
- Refutation
- B(f);XR(C)
- Try
- Actual
- B(A);
- Threat
- R(B)
- Vars
- R(i);SBLOCK::QAR2(J)
- P(a);OGATE::R(C)
- B(f);OGATEB,P_PINB(A)::B(A),XB(f)
- B(f);SBLOCK::QAR1(J)
- S(b);OGATE::R(B)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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