MESON Chess Problem Database
Problem Display
PID: 10814 (3NRb2/5Pk1/6p1/3N4/3KP2R/1b1Pr2n/1B1Q4/5n2 w - - 0 1)
Dennis, BW
The Problemist, 1967
#2
10 + 7
| 5862 | An ABC of Chess Problems | 1970 |
| 4640 | Chess Wizardry: The New ABC of Chess Problems | 1996 |
| 23 | Die Schwalbe | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Qh6#
- 1...Re2
- 2.Qh6#
- 1...Rxd3+
- 2.Kxd3#
- 1...Rf3
- 2.Qh6#
- 1...Rg3
- 2.Qh6#
- 1...Rxe4+
- 2.Kxe4#
- 1...Bd1
- 2.Kc4#
- 1...Bc2
- 2.Kc4#
- 1...Ba4
- 2.Kc4#
- 1...Bc4
- 2.Kxc4#
- 1...Bxd5
- 2.Kxd5#
- 1...Ba3
- 2.Rg8#
- 1...Bb4
- 2.Rg8#
- 1...Bc5+
- 2.Kxc5#
- 1...Bd6
- 2.Rg8#
- 1...Be7
- 2.Rg8#
- 1...Sxd2
- 2.Kxe3#
- 1...Sh2
- 2.Kxe3#
- 1...Sg3
- 2.Kxe3#
- 1...Re1
- Tries
- 1.Kc3?
- threat
- 2.Kxb3#
- 1...Rxd3+
- 2.Kxd3#
- 1...Bb4+
- 2.Kxb4#
- 1...Rxe4
- 2.Qh6#
- 1...Bxd5
- 2.Kc2#
- 1...Sxd2
- 2.Kxd2#
- 1...Rf3
- 2.Qh6#
- 1...Bd1
- 2.Kc4#
- 1...Ba2
- 2.Kc2#
- 1...Bc2
- 2.Kxc2#
- 2.Kc4#
- 1...Ba4
- 2.Kc4#
- 1...Bc4
- 2.Kc2#
- 2.Kxc4#
- 1...Ba3
- 2.Rg8#
- 1...Bc5
- 2.Rg8#
- 1...Bd6
- 2.Rg8#
- 1...Be7
- 2.Rg8#
- 1...g5!
- threat
- 1.Qb4?
- threat
- 2.Qxf8#
- 1...Rxd3+
- 2.Kxd3#
- 1...Rxe4+
- 2.Kxe4#
- 1...Bc5+
- 2.Kxc5#
- 1...Bxd5
- 2.Kxd5#
- 1...Bxb4
- 2.Rg8#
- 1...Bd6
- 2.Rg8#
- 1...Be7
- 2.Rg8#
- 1...g5!
- threat
- 1.Kc3?
- Keys
- 1.Ke5!
- threat
- 2.Ke6#
- 1...Rxe4+
- 2.Kxe4#
- 1...Bd6+
- 2.Kxd6#
- 1...Rxd3
- 2.Qh6#
- 1...Bxd5
- 2.Kxd5#
- 1...g5
- 2.Kf5#
- 1...Rf3
- 2.Qh6#
- 1...Ba3
- 2.Rg8#
- 1...Bb4
- 2.Rg8#
- 1...Bc5
- 2.Rg8#
- 1...Be7
- 2.Rg8#
- 1...Sf4
- 2.Kxf4#
- 1...Sg5
- 2.Kf4#
- threat
- 1.Ke5!
This is a version
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 3
- REMOVED MATES = 10
- Sets
- R(c);OGATE::QAB1(B)
- R(c);CHECK,XP(C)::B(A)+K(D),XR(c)
- R(c);CHECK,XP(E)::B(A)+K(D),XR(c)
- B(b);::B(A)+K(D)
- B(b);::B(A)+K(D),XB(b)
- B(b);XS(G)::B(A)+K(D),XB(b)
- B(g);OGATE::R1(J)
- B(g);CHECK::B(A)+K(D),XB(g)
- S(a);XQ(B)::B(A)+K(D),XR(c)
- S(a);::B(A)+K(D),XR(c)
- Tries
- Try
- K(D);P_SPINP(C),S_FLIGHT
- Threat
- B(A)+K(D),XB(b)
- Vars
- R(c);CHECK,XP(C)::B(A)+K(D),XR(c)
- B(g);CHECK::B(A)+K(D),XB(g)
- R(c);N_PINP(C),OGATE,XP(E)::QAB1(B)
- B(b);XS(G)::B(A)+K(D)
- S(a);XQ(B)::B(A)+K(D),XS(a)
- R(c);OGATE::QAB1(B)
- B(b);::B(A)+K(D)
- B(g);OGATE::R1(J)
- Refutation
- P(e);
- Try
- Q(B);
- Threat
- QAB1(B),XB(g)
- Vars
- R(c);CHECK,XP(C)::B(A)+K(D),XR(c)
- R(c);CHECK,XP(E)::B(A)+K(D),XR(c)
- B(g);CHECK::B(A)+K(D),XB(g)
- B(b);XS(G)::B(A)+K(D),XB(b)
- B(g);OGATE,XQ(B)::R1(J)
- B(g);OGATE::R1(J)
- Refutation
- P(e);
- Try
- Actual
- K(D);P_SPINP(E),S_FLIGHT
- Threat
- B(A)+K(D)
- Vars
- R(c);CHECK,XP(E)::B(A)+K(D),XR(c)
- B(g);CHECK::B(A)+K(D),XB(g)
- R(c);N_PINP(E),OGATE,XP(C)::QAB1(B)
- B(b);XS(G)::B(A)+K(D),XB(b)
- P(e);::B(A)+K(D)
- R(c);N_PINP(E),OGATE::QAB1(B)
- B(g);OGATE::R1(J)
- S(d);::B(A)+K(D),XS(d)
- S(d);::B(A)+K(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).