MESON Chess Problem Database
Problem Display
PID: 56558 (4R3/8/3Q2pb/1Npbq1r1/2r1k1P1/p1R5/6N1/K4B2 w - - 0 1)
Ellerman, Arnoldo
3rd Comm., Brisbane Courier, 1916-1917
#2
8 + 9
SOLUTION
- SOUND
- Sets
- 1...Qe6
- 2.Re3#
- 2.Qf4#
- 1...Qe7
- 2.Re3#
- 2.Qf4#
- 1...Qxe8
- 2.Re3#
- 2.Qf4#
- 1...Rd4
- 2.Re3#
- 1...Rxg4
- 2.Rxe5#
- 2.Qxe5#
- 1...Bc6
- 2.Qd3#
- 2.Qxc6#
- 1...Be6
- 2.Qd3#
- 1...Bb7
- 2.Qd3#
- 1...Bf7
- 2.Qd3#
- 1...Ba8
- 2.Qd3#
- 1...Bg8
- 2.Qd3#
- 1...Qe6
- Tries
- 1.Bxc4?
- threat
- 2.Bxd5#
- 2.Qxd5#
- 1...Qxe8
- 2.Re3#
- 2.Qf4#
- 1...Rxg4
- 2.Rxe5#
- 2.Qxe5#
- 1...Qe6
- 2.Re3#
- 2.Qf4#
- 1...Qe7
- 2.Re3#
- 2.Qf4#
- 1...Bc6
- 2.Qd3#
- 2.Qxc6#
- 1...Be6
- 2.Qd3#
- 1...Bb7
- 2.Qd3#
- 1...Bf7
- 2.Qd3#
- 1...Ba8
- 2.Qd3#
- 1...Bg8
- 2.Qd3#
- 1...Bxc4!
- threat
- 1.Qf6?
- threat
- 2.Bd3#
- 2.Qf3#
- 2.Qf4#
- 1...Qxe8
- 2.Sd6#
- 2.Bd3#
- 2.Re3#
- 2.Qf4#
- 1...Rxc3
- 2.Qf4#
- 1...Rxg4
- 2.Bd3#
- 2.Rxe5#
- 2.Qxe5#
- 2.Qf3#
- 1...Bc6
- 2.Qf3#
- 2.Qxc6#
- 1...Be6
- 2.Qf3#
- 1...Bb7
- 2.Qf3#
- 1...Bf7
- 2.Qf3#
- 1...Ba8
- 2.Qf3#
- 1...Bg8
- 2.Qf3#
- 1...Qe6
- 2.Sd6#
- 2.Bd3#
- 2.Re3#
- 2.Qf4#
- 1...Qe7
- 2.Sd6#
- 2.Bd3#
- 2.Re3#
- 2.Qf4#
- 1...Rd4
- 2.Sd6#
- 2.Re3#
- 2.Qf3#
- 2.Qf4#
- 1...Rh5
- 2.Bd3#
- 2.Qf3#
- 1...Rf5!
- threat
- 1.Qxg6+?
- 1...Rf5
- 2.Qxf5#
- 1...Rxg6!
- 1...Rf5
- 1.Bxc4?
- Keys
- 1.Sc7!
- threat
- 2.Qxd5#
- 1...Kd4
- 2.Rxc4#
- 1...Qxe8
- 2.Qf4#
- 1...Rxg4
- 2.Qxe5#
- 1...Qe6
- 2.Qf4#
- 1...Qe7
- 2.Qf4#
- 1...Rd4
- 2.Re3#
- 1...Bc6
- 2.Qd3#
- 1...Be6
- 2.Qd3#
- 1...Bb7
- 2.Qd3#
- 1...Bf7
- 2.Qd3#
- 1...Ba8
- 2.Qd3#
- 1...Bg8
- 2.Qd3#
- threat
- 1.Sc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- R(b);N_PINR(D)::R1(D)
- B(e);N_SPINQ(f),OGATE::QAB1(G)
- B(e);OGATE::QAB1(G)
- Tries
- Try
- B(B);XR(b)
- Threat
- DUALS(2)
- Vars
- B(e);N_SPINQ(f),OGATE::QAB1(G)
- B(e);OGATE::QAB1(G)
- Refutation
- B(e);XB(B)
- Try
- Q(G);
- Threat
- DUALS(3)
- Vars
- R(b);XR(D)::QAR1(G)
- B(e);N_SPINQ(f)::QAB1(G)
- B(e);::QAB1(G)
- Refutation
- R(g);
- Try
- Q(G);CHECK,XP(h)
- Vars
- R(g);N_GUARD,P_SPINR(g)::QAB1(G),XR(g)
- Refutation
- R(g);XQ(G)
- Try
- Actual
- S(F);
- Threat
- QAB1(G),XB(e)
- Vars
- K(c);N_PINR(D),N_SPINQ(f),P-FLIGHT,P_SPINB(e)::R1(D),XR(b)
- Q(f);N_PINR(D),N_SPINQ(f),OGATE,XR(H)::QAR1(G)
- R(g);N_GUARD,XP(E)::QAR1(G),XQ(f)
- Q(f);N_PINR(D),OGATE::QAR1(G)
- R(b);N_PINR(D),SBLOCK::R1(D)
- B(e);OGATE::QAB1(G)
- B(e);N_SPINQ(f),OGATE::QAB1(G)
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).