MESON Chess Problem Database
Problem Display
PID: 147959 (2b1q1nb/1p2Pp2/pPp1kp1p/rQ5N/p2R4/BRP3Pn/BK6/8 w - - 0 1)
Dawson, Thomas Rayner
Western Daily Mercury, 1912
(First published on Fri Mar 8 1912)
#2
11 + 14
| 15256 | TRD Scrapbook | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Qd7
- 2.Re4#
- 1...Qxe7
- 2.Rbb4#
- 1...Qd8
- 2.exd8S#
- 1...Qf8
- 2.exf8S#
- 1...Rxb5
- 2.Rxb5#
- 1...Bd7
- 2.Re4#
- 1...Bg7
- 2.Sxg7#
- 1...Sg1
- 2.Sf4#
- 1...Sf2
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sg5
- 2.Sf4#
- 1...Sxe7
- 2.Rd6#
- 1...axb3
- 2.Bxb3#
- 1...axb5
- 2.Rxb5#
- 1...cxb5
- 2.Rxb5#
- 1...Qd7
- Tries
- 1.Ka1?
- threat
- 2.Rb1#
- 2.Rb2#
- 1...Rxb5
- 2.Rxb5#
- 1...Sxe7
- 2.Rd6#
- 1...axb3
- 2.Bxb3#
- 1...axb5
- 2.Rxb5#
- 1...cxb5
- 2.Rxb5#
- 1...Qd7
- 2.Re4#
- 1...Qd8
- 2.exd8S#
- 1...Sf4
- 2.Sxf4#
- 1...c5!
- threat
- 1.Kb1?
- threat
- 2.Rb2#
- 1...Rxb5
- 2.Rxb5#
- 1...Sxe7
- 2.Rd6#
- 1...axb3
- 2.Bxb3#
- 1...axb5
- 2.Rxb5#
- 1...cxb5
- 2.Rxb5#
- 1...Qd7
- 2.Re4#
- 1...Qd8
- 2.exd8S#
- 1...Sf4
- 2.Sxf4#
- 1...c5!
- threat
- 1.Kc1?
- threat
- 2.Rb1#
- 2.Rb2#
- 1...Rxb5
- 2.Rxb5#
- 1...Sxe7
- 2.Rd6#
- 1...axb3
- 2.Bxb3#
- 1...axb5
- 2.Rxb5#
- 1...cxb5
- 2.Rxb5#
- 1...Qd7
- 2.Re4#
- 1...Qd8
- 2.exd8S#
- 1...Sf4
- 2.Sxf4#
- 1...c5!
- threat
- 1.Kc2?
- threat
- 2.Rb1#
- 2.Rb2#
- 1...axb3+
- 2.Bxb3#
- 1...Rxb5
- 2.Rxb5#
- 1...Sxe7
- 2.Rd6#
- 1...axb5
- 2.Rxb5#
- 1...cxb5
- 2.Rxb5#
- 1...Qd7
- 2.Re4#
- 1...Qd8
- 2.exd8S#
- 1...Sf4
- 2.Sxf4#
- 1...c5!
- threat
- 1.Qxa5?
- threat
- 2.Rb5#
- 1...Sxe7
- 2.Rd6#
- 1...axb3
- 2.Bxb3#
- 1...Qd7
- 2.Re4#
- 1...Qd8
- 2.exd8S#
- 1...Sf4
- 2.Sxf4#
- 1...c5!
- threat
- 1.Qc5?
- threat
- 2.Rbb4#
- 2.Rb5#
- 1...Sxe7
- 2.Rd6#
- 1...axb3
- 2.Bxb3#
- 1...Qd7
- 2.Re4#
- 1...Qd8
- 2.exd8S#
- 1...Rb5
- 2.Rbb4#
- 2.Rxb5#
- 1...Sf4
- 2.Sxf4#
- 1...Rxc5!
- threat
- 1.Ka1?
- Keys
- 1.g4!
- 1...Qxe7
- 2.Rbb4#
- 1...Rxb5
- 2.Rxb5#
- 1...Sxe7
- 2.Rd6#
- 1...axb3
- 2.Bxb3#
- 1...axb5
- 2.Rxb5#
- 1...cxb5
- 2.Rxb5#
- 1...c5
- 2.Qe2#
- 1...f5
- 2.gxf5#
- 1...Qd7
- 2.Re4#
- 1...Qd8
- 2.exd8S#
- 1...Qf8
- 2.exf8S#
- 1...Bd7
- 2.Re4#
- 1...Bg7
- 2.Sxg7#
- 1...Sg1
- 2.Sf4#
- 1...Sf2
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sg5
- 2.Sf4#
- 1...Qxe7
- 1.g4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Q(l);SBLOCK::R(G)
- Q(l);SBLOCK,XP(K)::B(A)+R(D)
- Q(l);OGATE::PXQ(l)=S
- R(c);OGATE,P_PINR(D),XQ(H)::B(A)+R(D),XR(c)
- B(k);SBLOCK::R(G)
- B(n);N_GUARD::S(I),XB(n)
- S(a);N_GUARD::S(I)
- S(a);N_GUARD::S(I),XS(a)
- S(m);SBLOCK,XP(K)::R1(G)
- P(b);OGATE,P_SPINP(b),XR(D)::B(A),XP(b)
- P(d);OGATE,XQ(H)::B(A)+R(D),XP(d)
- P(e);OGATE,XQ(H)::B(A)+R(D),XP(e)
- Tries
- Try
- K(B);S_FLIGHT
- Threat
- DUALS(2)
- Vars
- R(c);OGATE,XQ(H)::B(A)+R(D),XR(c)
- S(m);SBLOCK,XP(K)::R1(G)
- P(b);OGATE,P_SPINP(b),XR(D)::B(A),XP(b)
- P(d);OGATE,XQ(H)::B(A)+R(D),XP(d)
- P(e);OGATE,XQ(H)::B(A)+R(D),XP(e)
- Q(l);SBLOCK::R(G)
- Q(l);OGATE::PXQ(l)=S
- S(a);N_GUARD::S(I),XS(a)
- Refutation
- P(e);
- Try
- K(B);P-FLIGHT
- Threat
- B(A)+R(D)
- Vars
- R(c);OGATE,P_PINR(D),XQ(H)::B(A)+R(D),XR(c)
- S(m);SBLOCK,XP(K)::R1(G)
- P(b);OGATE,P_SPINP(b),XR(D)::B(A),XP(b)
- P(d);OGATE,XQ(H)::B(A)+R(D),XP(d)
- P(e);OGATE,XQ(H)::B(A)+R(D),XP(e)
- Q(l);SBLOCK::R(G)
- Q(l);OGATE::PXQ(l)=S
- S(a);N_GUARD::S(I),XS(a)
- Refutation
- P(e);
- Try
- K(B);S_FLIGHT
- Threat
- DUALS(2)
- Vars
- R(c);OGATE,XQ(H)::B(A)+R(D),XR(c)
- S(m);SBLOCK,XP(K)::R1(G)
- P(b);OGATE,P_SPINP(b),XR(D)::B(A),XP(b)
- P(d);OGATE,XQ(H)::B(A)+R(D),XP(d)
- P(e);OGATE,XQ(H)::B(A)+R(D),XP(e)
- Q(l);SBLOCK::R(G)
- Q(l);OGATE::PXQ(l)=S
- S(a);N_GUARD::S(I),XS(a)
- Refutation
- P(e);
- Try
- K(B);P-FLIGHT
- Threat
- DUALS(2)
- Vars
- P(b);CHECK,OGATE,P_SPINP(b),XR(D)::B(A),XP(b)
- R(c);OGATE,XQ(H)::B(A)+R(D),XR(c)
- S(m);SBLOCK,XP(K)::R1(G)
- P(d);OGATE,XQ(H)::B(A)+R(D),XP(d)
- P(e);OGATE,XQ(H)::B(A)+R(D),XP(e)
- Q(l);SBLOCK::R(G)
- Q(l);OGATE::PXQ(l)=S
- S(a);N_GUARD::S(I),XS(a)
- Refutation
- P(e);
- Try
- Q(H);XR(c)
- Threat
- B(A)+R(D)
- Vars
- S(m);SBLOCK,XP(K)::R1(G)
- P(b);OGATE,P_SPINP(b),XR(D)::B(A),XP(b)
- Q(l);SBLOCK::R(G)
- Q(l);OGATE::PXQ(l)=S
- S(a);N_GUARD::S(I),XS(a)
- Refutation
- P(e);
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- S(m);SBLOCK,XP(K)::R1(G)
- P(b);OGATE,P_SPINP(b),XR(D)::B(A),XP(b)
- Q(l);SBLOCK::R(G)
- Q(l);OGATE::PXQ(l)=S
- S(a);N_GUARD::S(I),XS(a)
- Refutation
- R(c);XQ(H)
- Try
- Actual
- P(F);
- Vars
- Q(l);SBLOCK,XP(K)::B(A)+R(D)
- R(c);OGATE,P_PINR(D),XQ(H)::B(A)+R(D),XR(c)
- S(m);SBLOCK,XP(K)::R1(G)
- P(b);OGATE,P_SPINP(b),XR(D)::B(A),XP(b)
- P(d);OGATE,XQ(H)::B(A)+R(D),XP(d)
- P(e);OGATE,XQ(H)::B(A)+R(D),XP(e)
- P(e);S_CUTR(c)::QAR(H)
- P(g);OGATE::P(F),XP(g)
- Q(l);SBLOCK::R(G)
- Q(l);OGATE::PXQ(l)=S
- B(k);SBLOCK::R(G)
- B(n);N_GUARD::S(I),XB(n)
- S(a);N_GUARD::S(I)
- S(a);N_GUARD::S(I),XS(a)
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