MESON Chess Problem Database
Problem Display
PID: 132641 (3BqN1K/3PPpPP/1P1n1k1n/5p2/5P2/2p3rp/2P1R2N/Q7 w - - 0 1)
Wainwright, Joseph CJ
Wanderer, 1886
#2
13 + 9
| 2794 | Terms & Themes of Chess Problems | 1907 |
| 1829 | The Theory of Pawn Promotion | 1912 |
SOLUTION
- SOUND
- Sets
- 1...Qxd7
- 2.e8S#
- 1...Qxe7
- 2.Bxe7#
- 1...Qxd8
- 2.exd8Q#
- 2.exd8B#
- 1...Qxf8+
- 2.exf8S#
- 1...Rg1
- 2.Qxc3#
- 1...Rg2
- 2.Qxc3#
- 1...Rg4
- 2.Qxc3#
- 1...Rg5
- 2.Qxc3#
- 1...Rg6
- 2.Qxc3#
- 1...Rxg7
- 2.Qxc3#
- 1...Sc4
- 2.dxe8S#
- 1...Se4
- 2.dxe8S#
- 1...Sb5
- 2.dxe8S#
- 1...Sb7
- 2.dxe8S#
- 1...Sc8
- 2.dxe8S#
- 1...Sg4
- 2.g8S#
- 1...Sg8
- 2.hxg8S#
- 1...Qxd7
- Tries
- 1.Sf3?
- threat
- 2.Qxc3#
- 1...Qxf8+
- 2.exf8S#
- 1...Sc4
- 2.dxe8S#
- 1...Se4
- 2.dxe8S#
- 1...Sb5
- 2.dxe8S#
- 1...Sg4
- 2.g8S#
- 1...Rxf3!
- threat
- 1.Sg4+?
- 1...Rxg4
- 2.Qxc3#
- 1...Sxg4
- 2.g8S#
- 1...fxg4!
- 1...Rxg4
- 1.Re3?
- threat
- 2.Qxc3#
- 1...Qxf8+
- 2.exf8S#
- 1...Sc4
- 2.dxe8S#
- 1...Se4
- 2.dxe8S#
- 1...Sb5
- 2.dxe8S#
- 1...Sg4
- 2.g8S#
- 1...Rxe3!
- threat
- 1.Qg1?
- threat
- 2.Qd4#
- 1...Qxf8+
- 2.exf8S#
- 1...Rd3
- 2.Qg5#
- 1...Re3
- 2.Qg5#
- 1...Sc4
- 2.dxe8S#
- 1...Sb5
- 2.dxe8S#
- 1...Sg4
- 2.g8S#
- 1...Rxg1!
- threat
- 1.Qa5?
- threat
- 2.Qe5#
- 1...Qxf8+
- 2.exf8S#
- 1...Sc4
- 2.dxe8S#
- 1...Sb5
- 2.dxe8S#
- 1...Sg4
- 2.g8S#
- 1...Re3!
- threat
- 1.Sf3?
- Keys
- 1.Qe1!
- 1...Qxf8+
- 2.exf8S#
- 1...Qxd7
- 2.e8S#
- 1...Qxe7
- 2.Bxe7#
- 1...Qxd8
- 2.exd8Q#
- 2.exd8B#
- 1...Rxg7
- 2.Qxc3#
- 1...Rd3
- 2.Qh4#
- 1...Rg1
- 2.Qxc3#
- 1...Rg2
- 2.Qxc3#
- 1...Re3
- 2.Qh4#
- 1...Rf3
- 2.Qh4#
- 1...Rg4
- 2.Qxc3#
- 1...Rg5
- 2.Qxc3#
- 1...Rg6
- 2.Qxc3#
- 1...Sc4
- 2.dxe8S#
- 1...Se4
- 2.dxe8S#
- 1...Sb5
- 2.dxe8S#
- 1...Sb7
- 2.dxe8S#
- 1...Sc8
- 2.dxe8S#
- 1...Sg4
- 2.g8S#
- 1...Sg8
- 2.hxg8S#
- 1...Qxf8+
- 1.Qe1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Q(i);N_PINS(L),OGATE,XP(G)::P=S
- Q(i);N_PINS(L),OGATE,P_SPINQ(i),XP(H)::B(K),XQ(i)
- Q(i);OGATE,XB(K)::PXQ(i)=Q
- Q(i);CHECK,OGATE,XS(L)::PXQ(i)=S
- R(b);N_GUARD::QAB(A),XP(a)
- R(b);N_GUARD,XP(I)::QAB(A),XP(a)
- S(e);N_GUARD::PXQ(i)=S
- S(g);N_GUARD,S_CUTR(b)::P=S
- S(g);N_PINS(L),OGATE::PXS(g)=S
- Tries
- Try
- S(D);
- Threat
- QAB(A),XP(a)
- Vars
- Q(i);CHECK,OGATE,XS(L)::PXQ(i)=S
- S(e);N_GUARD::PXQ(i)=S
- S(g);N_GUARD,S_CUTR(b)::P=S
- Refutation
- R(b);XS(D)
- Try
- S(D);CHECK
- Vars
- R(b);XS(D)::QAB(A),XP(a)
- S(g);N_GUARD,S_CUTP(d),S_CUTR(b),XS(D)::P=S
- Refutation
- P(d);XS(D)
- Try
- R(C);
- Threat
- QAB(A),XP(a)
- Vars
- Q(i);CHECK,OGATE,XS(L)::PXQ(i)=S
- S(e);N_GUARD::PXQ(i)=S
- S(g);N_GUARD,S_CUTR(b)::P=S
- Refutation
- R(b);XR(C)
- Try
- Q(A);N_PINP(a)
- Threat
- QAB(A)
- Vars
- Q(i);CHECK,OGATE,XS(L)::PXQ(i)=S
- R(b);OGATE::QAB1(A)
- S(e);N_GUARD::PXQ(i)=S
- S(g);N_GUARD,S_CUTR(b)::P=S
- Refutation
- R(b);XQ(A)
- Try
- Q(A);N_PINP(a)
- Threat
- QAB1(A)
- Vars
- Q(i);CHECK,OGATE,XS(L)::PXQ(i)=S
- S(e);N_GUARD::PXQ(i)=S
- S(g);N_GUARD,S_CUTR(b)::P=S
- Refutation
- R(b);
- Try
- Actual
- Q(A);N_PINP(a)
- Vars
- Q(i);CHECK,OGATE,XS(L)::PXQ(i)=S
- Q(i);N_PINS(L),OGATE,XP(G)::P=S
- Q(i);N_PINS(L),OGATE,P_SPINQ(i),XP(H)::B(K),XQ(i)
- Q(i);OGATE,XB(K)::PXQ(i)=Q
- R(b);N_GUARD,XP(I)::QAB(A),XP(a)
- R(b);OGATE::QAB(A)
- R(b);N_GUARD::QAB(A),XP(a)
- S(e);N_GUARD::PXQ(i)=S
- S(g);N_GUARD,S_CUTR(b)::P=S
- S(g);N_PINS(L),OGATE::PXS(g)=S
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