MESON Chess Problem Database
Problem Display
PID: 71206 (8/1p6/1B4p1/2rp2R1/1bPk1n2/5K2/1PPN4/Q2R4 w - - 0 1)
Bernard, Henry D'Oyly
Source?, 1917
#2
9 + 7
SOLUTION
- SOUND
- Sets
- 1...Bxd2
- 2.b3#
- 1...Ba3
- 2.bxa3#
- 1...Bc3
- 2.bxc3#
- 1...Ba5
- 2.b4#
- 1...Se2
- 2.Rxd5#
- 1...Sg2
- 2.Rxd5#
- 1...Sd3
- 2.Rxd5#
- 1...Sh3
- 2.Rxd5#
- 1...Sh5
- 2.Rxd5#
- 1...Se6
- 2.Rxd5#
- 1...dxc4
- 2.Sb3#
- 1...Bxd2
- Tries
- 1.Kxf4?
- threat
- 2.Rxd5#
- 1...dxc4
- 2.Sb3#
- 2.Sf3#
- 1...Bxd2+!
- threat
- 1.Se4+?
- 1...Kxc4
- 2.Sd6#
- 1...Bd2
- 2.b3#
- 1...Sd3!
- 1...Kxc4
- 1.Bxc5+?
- 1...Bxc5
- 2.b3#
- 2.b4#
- 1...Kxc5!
- 1...Bxc5
- 1.Re1?
- 1...dxc4
- 2.Re4#
- 1...Sd3
- 2.Rxd5#
- 1...Ba3
- 2.bxa3#
- 1...Bc3
- 2.bxc3#
- 1...Ba5
- 2.b4#
- 1...Se2
- 2.Rxd5#
- 1...Sg2
- 2.Rxd5#
- 1...Sh3
- 2.Rxd5#
- 1...Sh5
- 2.Rxd5#
- 1...Se6
- 2.Rxd5#
- 1...Bxd2!
- 1...dxc4
- 1.Rh1?
- threat
- 2.Qg1#
- 1...Sd3
- 2.Rxd5#
- 1...Se2
- 2.Rxd5#
- 1...Sg2
- 2.Rxd5#
- 1...Sh3
- 2.Rxd5#
- 1...Bxd2!
- threat
- 1.Qa3?
- threat
- 2.Qe3#
- 1...Bxd2
- 2.Qxc5#
- 2.Qc3#
- 1...Sd3
- 2.Rxd5#
- 2.Qxd3#
- 1...Bc3
- 2.Bxc5#
- 2.Qxc5#
- 2.Qxc3#
- 2.bxc3#
- 1...Sg2
- 2.Rxd5#
- 2.Qd3#
- 1...Bxa3!
- threat
- 1.Qa5?
- 1...Bxd2
- 2.Qc3#
- 2.Qxc5#
- 1...dxc4
- 2.Sb3#
- 1...Sd3
- 2.Rxd5#
- 1...Ba3
- 2.Qc3#
- 1...Bc3
- 2.Bxc5#
- 2.Qxc3#
- 2.Qxc5#
- 2.bxc3#
- 1...Se2
- 2.Rxd5#
- 1...Sg2
- 2.Rxd5#
- 1...Sh3
- 2.Rxd5#
- 1...Sh5
- 2.Rxd5#
- 1...Se6
- 2.Rxd5#
- 1...Bxa5!
- 1...Bxd2
- 1.Qa8?
- threat
- 2.Qh8#
- 1...Sd3
- 2.Rxd5#
- 1...Sh5
- 2.Rxd5#
- 1...Se6
- 2.Rxd5#
- 1...Bxd2!
- threat
- 1.c3+?
- 1...Kd3
- 2.Qb1#
- 1...Bxc3!
- 1...Kd3
- 1.Kxf4?
- Keys
- 1.Qa4!
- 1...Bxd2
- 2.cxd5#
- 1...dxc4
- 2.Sb3#
- 1...Sd3
- 2.Rxd5#
- 1...Ba3
- 2.Sb3#
- 1...Bc3
- 2.Sb3#
- 1...Ba5
- 2.Sb3#
- 1...Se2
- 2.Rxd5#
- 1...Sg2
- 2.Rxd5#
- 1...Sh3
- 2.Rxd5#
- 1...Sh5
- 2.Rxd5#
- 1...Se6
- 2.Rxd5#
- 1...Bxd2
- 1.Qa4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 4
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(a);N_GUARD,P_SPINB(a),XS(E)::QAB(A)+P(C)
- B(a);OGATE::QAB(A)+P(C),XB(a)
- B(a);OGATE::P(C),XB(a)
- B(a);OGATE::QAB(A)+P(C)
- S(c);N_GUARD::R1(H),XP(e)
- P(e);SBLOCK,XP(G)::R(B)+S(E),DCHECK
- Tries
- Try
- K(F);P-FLIGHT,XS(c)
- Threat
- R1(H),XP(e)
- Refutation
- B(a);CHECK,P_SPINB(a),XS(E)
- Try
- S(E);CHECK
- Vars
- K(b);N_SPINR(d),P-FLIGHT,XP(G)::S(E)
- B(a);P_SPINB(a)::QAB(A)+P(C)
- Refutation
- S(c);P_SPINS(c)
- Try
- B(I);CHECK,XR(d)
- Refutation
- K(b);P_SPINP(e),S_FLIGHT,XB(I)
- Try
- R(B);
- Vars
- P(e);N_GUARD,XP(G)::R1(B)
- S(c);N_GUARD::R1(H),XP(e)
- B(a);OGATE::QAB(A)+P(C),XB(a)
- B(a);OGATE::P(C),XB(a)
- B(a);OGATE::QAB(A)+P(C)
- Refutation
- B(a);XS(E)
- Try
- R(B);
- Threat
- QAB(A)
- Vars
- S(c);N_GUARD::R1(H),XP(e)
- Refutation
- B(a);XS(E)
- Try
- Q(A);
- Threat
- QAB1(A)
- Refutation
- B(a);XQ(A)
- Try
- Q(A);
- Vars
- P(e);SBLOCK,XP(G)::R(B)+S(E),DCHECK
- S(c);N_GUARD::R1(H),XP(e)
- B(a);OGATE::QAB1(A)
- Refutation
- B(a);XQ(A)
- Try
- Q(A);
- Threat
- QAB(A)
- Vars
- S(c);N_GUARD::R1(H),XP(e)
- Refutation
- B(a);P_SPINB(a),XS(E)
- Try
- P(D);CHECK
- Vars
- K(b);N_SPINR(d),P-FLIGHT::QAB(A)
- Refutation
- B(a);XP(D)
- Try
- Actual
- Q(A);
- Vars
- B(a);P_SPINB(a),XS(E)::QAR(A)+P(G),XP(e)
- P(e);SBLOCK,XP(G)::R(B)+S(E),DCHECK
- S(c);N_GUARD::R1(H),XP(e)
- B(a);::R(B)+S(E),DCHECK
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).