MESON Chess Problem Database
Problem Display
PID: 3110 (2N1rb2/3N4/2Rp4/1P1k1Bp1/np4Qp/rb2p2R/pP6/K7 w - - 0 1)
Laws, Benjamin Glover
Meschick, AG
Source?, 1918
#2
9 + 12
| 2681 | All Change Here! | 1919 |
SOLUTION
- SOUND
- Sets
- 1...Re4
- 2.Qxe4#
- 1...Re5
- 2.Sf6#
- 1...Re6
- 2.Bxe6#
- 1...Re7
- 2.Rxd6#
- 1...Rxc8
- 2.Be6#
- 2.Qe4#
- 1...Rd8
- 2.Be6#
- 2.Qe4#
- 1...Bd1
- 2.Qc4#
- 1...Bc2
- 2.Qc4#
- 1...Bc4
- 2.Qxc4#
- 1...Bh6
- 2.Rxd6#
- 1...Be7
- 2.Be6#
- 2.Qe4#
- 1...Bg7
- 2.Rxd6#
- 1...Sxb2
- 2.Scb6#
- 1...Sc3
- 2.Scb6#
- 1...Sc5
- 2.Scb6#
- 1...Sb6
- 2.Scxb6#
- 1...e2
- 2.Rd3#
- 1...Re4
- Tries
- 1.Se7+?
- 1...Bxe7
- 2.Be6#
- 2.Qe4#
- 1...Rxe7!
- 1...Bxe7
- 1.Bg6?
- 1...Rxc8
- 2.Bf7#
- 2.Qe4#
- 1...Sxb2
- 2.Scb6#
- 1...Re4
- 2.Qxe4#
- 1...Re5
- 2.Sf6#
- 1...Re7
- 2.Rxd6#
- 1...Rd8
- 2.Bf7#
- 2.Qe4#
- 1...Bd1
- 2.Qc4#
- 1...Bc2
- 2.Qc4#
- 1...Bc4
- 2.Qxc4#
- 1...Bh6
- 2.Rxd6#
- 1...Be7
- 2.Bf7#
- 2.Qe4#
- 1...Bg7
- 2.Rxd6#
- 1...Sc3
- 2.Scb6#
- 1...Sc5
- 2.Scb6#
- 1...Sb6
- 2.Scxb6#
- 1...e2
- 2.Rd3#
- 1...Re6!
- 1...Rxc8
- 1.Bh7?
- 1...Rxc8
- 2.Bg8#
- 2.Qe4#
- 1...Sxb2
- 2.Scb6#
- 1...Re4
- 2.Qxe4#
- 1...Re5
- 2.Sf6#
- 1...Re7
- 2.Rxd6#
- 1...Rd8
- 2.Bg8#
- 2.Qe4#
- 1...Bd1
- 2.Qc4#
- 1...Bc2
- 2.Qc4#
- 1...Bc4
- 2.Qxc4#
- 1...Bh6
- 2.Rxd6#
- 1...Be7
- 2.Qe4#
- 1...Bg7
- 2.Rxd6#
- 1...Sc3
- 2.Scb6#
- 1...Sc5
- 2.Scb6#
- 1...Sb6
- 2.Scxb6#
- 1...e2
- 2.Rd3#
- 1...Re6!
- 1...Rxc8
- 1.Rxe3?
- threat
- 2.Sf6#
- 2.Rd3#
- 1...Sxb2
- 2.Sdb6#
- 2.Sf6#
- 2.Scb6#
- 1...Re4
- 2.Qxe4#
- 1...Re6
- 2.Bxe6#
- 2.Rd3#
- 1...Bd1
- 2.Sf6#
- 2.Qc4#
- 1...Bc2
- 2.Sf6#
- 2.Qc4#
- 1...Bc4
- 2.Sf6#
- 2.Qxc4#
- 1...Be7
- 2.Be6#
- 2.Rd3#
- 2.Qe4#
- 1...Bg7
- 2.Rxd6#
- 1...Sc5
- 2.Sdb6#
- 2.Sf6#
- 2.Scb6#
- 1...Rxe3!
- threat
- 1.Rf3?
- 1...Rxc8
- 2.Be6#
- 2.Qe4#
- 1...Sxb2
- 2.Scb6#
- 1...Re4
- 2.Qxe4#
- 1...Re6
- 2.Bxe6#
- 1...Re5
- 2.Sf6#
- 1...Re7
- 2.Rxd6#
- 1...Rd8
- 2.Be6#
- 2.Qe4#
- 1...Bd1
- 2.Qc4#
- 1...Bc2
- 2.Qc4#
- 1...Bc4
- 2.Qxc4#
- 1...Bh6
- 2.Rxd6#
- 1...Be7
- 2.Be6#
- 2.Qe4#
- 1...Bg7
- 2.Rxd6#
- 1...Sc3
- 2.Scb6#
- 1...Sc5
- 2.Scb6#
- 1...Sb6
- 2.Scxb6#
- 1...e2
- 2.Rd3#
- 1...h3!
- 1...Rxc8
- 1.Rxh4?
- threat
- 2.Qd4#
- 1...Re4
- 2.Qxe4#
- 1...Bg7
- 2.Rxd6#
- 1...gxh4!
- threat
- 1.Rc5+?
- 1...Sxc5
- 2.Scb6#
- 1...dxc5!
- 1...Sxc5
- 1.Qf3+?
- 1...Re4
- 2.Qxe4#
- 1...Kd4!
- 1...Re4
- 1.Qg2+?
- 1...Re4
- 2.Qxe4#
- 1...Kd4!
- 1...Re4
- 1.Se7+?
- Keys
- 1.Bc2!
- 1...Rxc8
- 2.Qe4#
- 1...Bxc2
- 2.Qc4#
- 1...Sxb2
- 2.Scb6#
- 1...Re4
- 2.Qxe4#
- 1...Re5
- 2.Sf6#
- 1...Re6
- 2.Qd1#
- 1...Re7
- 2.Rxd6#
- 1...Rd8
- 2.Qe4#
- 1...Bc4
- 2.Qxc4#
- 1...Bh6
- 2.Rxd6#
- 1...Be7
- 2.Qe4#
- 1...Bg7
- 2.Rxd6#
- 1...Sc3
- 2.Scb6#
- 1...Sc5
- 2.Scb6#
- 1...Sb6
- 2.Scxb6#
- 1...e2
- 2.Rd3#
- 1...Rxc8
- 1.Bc2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- R(k);N_GUARD::QAB1(D),XR(k)
- R(k);SBLOCK::S(H)
- R(k);N_GUARD::B(F),XR(k)
- R(k);S_CUTB(l)::R1(G),XP(j)
- B(c);N_GUARD::QAB1(D)
- B(c);N_GUARD::QAB1(D),XB(c)
- B(l);N_GUARD::R1(G),XP(j)
- B(l);N_GUARD,P_PINP(B)::R1(G),XP(j)
- S(e);N_GUARD,XP(B)::S(I)
- S(e);N_GUARD::S(I)
- S(e);N_GUARD::S(I),XS(e)
- P(d);OGATE::R(C)
- Tries
- Try
- S(I);CHECK
- Refutation
- R(k);XS(I)
- Try
- B(F);
- Vars
- S(e);N_GUARD,XP(B)::S(I)
- R(k);N_GUARD::QAB1(D),XR(k)
- R(k);SBLOCK::S(H)
- R(k);S_CUTB(l)::R1(G),XP(j)
- B(c);N_GUARD::QAB1(D)
- B(c);N_GUARD::QAB1(D),XB(c)
- B(l);N_GUARD::R1(G),XP(j)
- B(l);N_GUARD,P_PINP(B)::R1(G),XP(j)
- S(e);N_GUARD::S(I)
- S(e);N_GUARD::S(I),XS(e)
- P(d);OGATE::R(C)
- Refutation
- R(k);
- Try
- B(F);
- Vars
- S(e);N_GUARD,XP(B)::S(I)
- R(k);N_GUARD::QAB1(D),XR(k)
- R(k);SBLOCK::S(H)
- R(k);S_CUTB(l)::R1(G),XP(j)
- B(c);N_GUARD::QAB1(D)
- B(c);N_GUARD::QAB1(D),XB(c)
- B(l);N_GUARD::R1(G),XP(j)
- B(l);S_CUTR(k)::QAB1(D)
- B(l);N_GUARD,P_PINP(B)::R1(G),XP(j)
- S(e);N_GUARD::S(I)
- S(e);N_GUARD::S(I),XS(e)
- P(d);OGATE::R(C)
- Refutation
- R(k);
- Try
- R(C);XP(d)
- Threat
- DUALS(2)
- Vars
- R(k);N_GUARD::QAB1(D),XR(k)
- B(l);N_GUARD,P_PINP(B)::R1(G),XP(j)
- Refutation
- R(k);XR(C)
- Try
- R(C);
- Vars
- S(e);N_GUARD,XP(B)::S(I)
- R(k);N_GUARD::QAB1(D),XR(k)
- R(k);N_GUARD::B(F),XR(k)
- R(k);SBLOCK::S(H)
- R(k);S_CUTB(l)::R1(G),XP(j)
- B(c);N_GUARD::QAB1(D)
- B(c);N_GUARD::QAB1(D),XB(c)
- B(l);N_GUARD::R1(G),XP(j)
- B(l);N_GUARD,P_PINP(B)::R1(G),XP(j)
- S(e);N_GUARD::S(I)
- S(e);N_GUARD::S(I),XS(e)
- P(d);OGATE::R(C)
- Refutation
- P(g);
- Try
- R(C);XP(g)
- Threat
- QAR1(D)
- Vars
- R(k);N_GUARD::QAB1(D),XR(k)
- B(l);N_GUARD,P_PINP(B)::R1(G),XP(j)
- Refutation
- P(i);XR(C)
- Try
- R(G);CHECK
- Vars
- S(e);XR(G)::S(I)
- Refutation
- P(j);XR(G)
- Try
- Q(D);CHECK
- Vars
- R(k);N_GUARD,P_SPINR(k)::QAB1(D),XR(k)
- Refutation
- K(h);P-FLIGHT
- Try
- Q(D);CHECK
- Vars
- R(k);N_GUARD,P_SPINR(k)::QAB1(D),XR(k)
- Refutation
- K(h);P-FLIGHT
- Try
- Actual
- B(F);
- Vars
- R(k);N_GUARD,XS(I)::QAB1(D)
- B(c);N_GUARD,XB(F)::QAB1(D)
- S(e);N_GUARD,XP(B)::S(I)
- R(k);N_GUARD::QAB1(D),XR(k)
- R(k);SBLOCK::S(H)
- R(k);SBLOCK::QAR(D)
- R(k);S_CUTB(l)::R1(G),XP(j)
- R(k);N_GUARD::QAB1(D)
- B(c);N_GUARD::QAB1(D),XB(c)
- B(l);N_GUARD::R1(G),XP(j)
- B(l);S_CUTR(k)::QAB1(D)
- B(l);N_GUARD,P_PINP(B)::R1(G),XP(j)
- S(e);N_GUARD::S(I)
- S(e);N_GUARD::S(I),XS(e)
- P(d);OGATE::R(C)
Developed and maintained by Brian Stephenson.
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