MESON Chess Problem Database
Problem Display
PID: 234064 (B7/b1p2r2/K3Nr1Q/2pn1p2/R2nkBp1/3N4/2P1b1P1/3R4 w - - 0 1)
Wallis, Walter Warren
Il Due Mosse, 1959
#2
10 + 11
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rxe6+
- 2.Qxe6#
- 1...Bxd1
- 2.Sf2#
- 1...Bxd3+
- 2.cxd3#
- 1...Bf3
- 2.Sf2#
- 1...Bb6
- 2.Sg5#
- 1...c4
- 2.Sf2#
- 1...c6
- 2.Sg5#
- 1...Rxe6+
- Tries
- 1.Ka5?
- threat
- 2.Sf2#
- 2.Sg5#
- 1...Rxe6
- 2.Sf2#
- 2.Qxe6#
- 1...Bxd3
- 2.cxd3#
- 1...Rg6
- 2.Sf2#
- 1...Rg7
- 2.Sf2#
- 1...g3
- 2.Sg5#
- 1...Bb6+!
- threat
- 1.Kxa7?
- threat
- 2.Sf2#
- 2.Sdxc5#
- 2.Sexc5#
- 2.Sg5#
- 1...Rxe6
- 2.Sf2#
- 2.Sxc5#
- 2.Qxe6#
- 1...Bxd3
- 2.Sxc5#
- 2.cxd3#
- 1...Rg6
- 2.Sf2#
- 2.Sdxc5#
- 2.Sexc5#
- 1...Rg7
- 2.Sf2#
- 2.Sdxc5#
- 2.Sexc5#
- 1...g3
- 2.Sdxc5#
- 2.Sexc5#
- 2.Sg5#
- 1...c4
- 2.Sf2#
- 2.Sdc5#
- 2.Sec5#
- 2.Sg5#
- 1...c6+!
- threat
- 1.Rd2?
- threat
- 2.Rxe2#
- 1...Rxe6+
- 2.Qxe6#
- 1...Bxd3+
- 2.cxd3#
- 1...Bd1
- 2.Sf2#
- 1...Bf3
- 2.Sf2#
- 1...c4
- 2.Sf2#
- 1...c6
- 2.Sg5#
- 1...Bf1!
- threat
- 1.Rc4?
- threat
- 2.Sf2#
- 1...Rxe6+
- 2.Qxe6#
- 1...Bxd3
- 2.cxd3#
- 1...g3!
- threat
- 1.Qxf6?
- threat
- 2.Sg5#
- 2.Qe5#
- 1...Bxd3+
- 2.cxd3#
- 1...Rg7
- 2.Qe5#
- 1...Rxf6!
- threat
- 1.c4?
- threat
- 2.Sf2#
- 2.Bxd5#
- 1...Bxd1
- 2.Sf2#
- 1...Bxd3
- 2.Bxd5#
- 1...Sxe6
- 2.Sf2#
- 1...Rd7
- 2.Sf2#
- 1...Sc6
- 2.Sf2#
- 1...g3
- 2.Bxd5#
- 1...c6
- 2.Sf2#
- 2.Sg5#
- 1...Rxe6+!
- threat
- 1.Ka5?
- Keys
- 1.Re1!
- threat
- 2.Rxe2#
- 1...Rxe6+
- 2.Qxe6#
- 1...c4
- 2.Sf2#
- 1...c6
- 2.Sg5#
- threat
- 1.Re1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 4
- Sets
- R(h);CHECK,OGATE,XS(H)::QAR2(I),XR(h)
- B(a);N_PINS(D),P_PINS(H),XR(A)::S(D)
- B(a);CHECK,OGATE,P_PINS(H),XS(D)::P(B),XB(a)
- B(a);N_PINS(D),P_PINS(H)::S(D)
- B(i);::S(H)
- P(e);N_PINS(D),N_SPINS(b),P_PINS(H),P_SPINS(f)::S(D)
- P(j);::S(H)
- Tries
- Try
- K(G);N_SPINS(D),P-FLIGHT
- Threat
- DUALS(2)
- Vars
- B(a);OGATE,XS(D)::P(B),XB(a)
- R(h);::S(D)
- R(k);::S(D)
- P(d);::S(H)
- Refutation
- B(i);CHECK
- Try
- K(G);N_SPINS(D),P-FLIGHT,XB(i)
- Threat
- DUALS(4)
- Refutation
- P(j);CHECK
- Try
- R(A);
- Threat
- R(A),XB(a)
- Vars
- R(h);CHECK,OGATE,XS(H)::QAR2(I),XR(h)
- B(a);CHECK,OGATE,P_PINS(H),XS(D)::P(B),XB(a)
- B(a);N_PINS(D),P_PINS(H)::S(D)
- P(e);N_PINS(D),N_SPINS(b),P_PINS(H),P_SPINS(f)::S(D)
- P(j);::S(H)
- Refutation
- B(a);
- Try
- R(E);N_SPINS(D),P_SPINS(H)
- Threat
- S(D)
- Vars
- R(h);CHECK,OGATE,XS(H)::QAR2(I),XR(h)
- B(a);OGATE,P_PINR(E),XS(D)::P(B),XB(a)
- Refutation
- P(d);
- Try
- Q(I);XR(h)
- Threat
- DUALS(2)
- Vars
- B(a);CHECK,OGATE,XS(D)::P(B),XB(a)
- R(k);::QAR1(I)
- Refutation
- R(k);XQ(I)
- Try
- P(B);N_PINS(b),N_SPINS(D),P_PINS(f),P_SPINS(H)
- Threat
- DUALS(2)
- Vars
- B(a);XR(A)::S(D)
- B(a);P_PINP(B),XS(D)::B(J),XS(f)
- S(b);XS(H)::S(D)
- R(k);::S(D)
- S(b);N_PINS(H),N_SPINS(f)::S(D)
- P(d);::B(J),XS(f)
- Refutation
- R(h);CHECK,XS(H)
- Try
- Actual
- R(A);P_PINB(a)
- Threat
- R(A),XB(a)
- Vars
- R(h);CHECK,OGATE,XS(H)::QAR2(I),XR(h)
- P(e);N_PINS(D),N_SPINS(b),P_PINS(H),P_SPINS(f)::S(D)
- P(j);::S(H)
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).