MESON Chess Problem Database
Problem Display
PID: 64590 (8/1p2p3/1Kp1P2p/2PP3R/p2kB2n/2bPr1RP/3N2n1/B5Qb w - - 0 1)
Meschick, AG
2nd HM., Good Companions (December), 1915
#2
12 + 11
| 3132 | The Good Companion Two-Mover | 1922 |
SOLUTION
- SOUND
- Sets
- 1...Bxa1
- 2.Qxa1#
- 1...Bb2
- 2.Bxb2#
- 1...Se1
- 2.Qxe3#
- 1...Sf4
- 2.Qxe3#
- 1...Sf3
- 2.Sxf3#
- 1...Sf5
- 2.Sf3#
- 1...Sg6
- 2.Sf3#
- 1...a3
- 2.Sb3#
- 1...cxd5
- 2.Rxd5#
- 1...Bxa1
- Tries
- 1.Sb1?
- threat
- 2.Bxc3#
- 1...Bb2
- 2.Bxb2#
- 1...Bxa1!
- threat
- 1.Bb2?
- 1...cxd5
- 2.Rxd5#
- 1...Sf5
- 2.Sf3#
- 1...Se1
- 2.Qxe3#
- 1...Sf4
- 2.Qxe3#
- 1...Sf3
- 2.Sxf3#
- 1...Sg6
- 2.Sf3#
- 1...a3
- 2.Sb3#
- 1...Bxb2!
- 1...cxd5
- 1.Rxg2?
- 1...Bxa1
- 2.Qxa1#
- 1...Sxg2
- 2.Sf3#
- 1...cxd5
- 2.Rxd5#
- 1...Bb2
- 2.Bxb2#
- 1...Sf5
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sg6
- 2.Sf3#
- 1...a3
- 2.Sb3#
- 1...Bxg2!
- 1...Bxa1
- 1.Rxe3?
- 1...Sxe3
- 2.Qg7#
- 1...cxd5
- 2.Rxd5#
- 1...Bb2
- 2.Bxb2#
- 1...Sf5
- 2.Sf3#
- 1...Se1
- 2.Rxe1#
- 2.Re2#
- 2.Rf3#
- 2.Rg3#
- 1...Sf4
- 2.Re1#
- 2.Re2#
- 2.Rf3#
- 2.Rg3#
- 1...Sf3
- 2.Sxf3#
- 1...Sg6
- 2.Sf3#
- 1...a3
- 2.Sb3#
- 1...Bxa1!
- 1...Sxe3
- 1.Rf5?
- 1...Bxa1
- 2.Qxa1#
- 1...Sxf5
- 2.Sf3#
- 1...cxd5
- 2.Rxd5#
- 1...Bb2
- 2.Bxb2#
- 1...Se1
- 2.Qxe3#
- 1...Sf4
- 2.Qxe3#
- 1...Sf3
- 2.Sxf3#
- 1...Sg6
- 2.Sf3#
- 1...a3
- 2.Sb3#
- 1...h5!
- 1...Bxa1
- 1.Qf2?
- 1...cxd5
- 2.Rxd5#
- 1...Bb2
- 2.Bxb2#
- 1...Sf5
- 2.Sf3#
- 1...Se1
- 2.Qxe3#
- 1...Sf4
- 2.Qxe3#
- 1...Sf3
- 2.Sxf3#
- 1...Sg6
- 2.Sf3#
- 1...a3
- 2.Sb3#
- 1...Bxa1!
- 1...cxd5
- 1.dxc6?
- threat
- 2.Rd5#
- 1...Bxa1
- 2.Qxa1#
- 1...Bb2
- 2.Bxb2#
- 1...Sf5
- 2.Sf3#
- 1...Sf4
- 2.Qxe3#
- 1...bxc6!
- threat
- 1.d6?
- 1...Bxa1
- 2.Qxa1#
- 1...Bb2
- 2.Bxb2#
- 1...Sf5
- 2.Sf3#
- 1...Se1
- 2.Qxe3#
- 1...Sf4
- 2.Qxe3#
- 1...Sf3
- 2.Sxf3#
- 1...Sg6
- 2.Sf3#
- 1...a3
- 2.Sb3#
- 1...exd6!
- 1...Bxa1
- 1.Sb1?
- Keys
- 1.Rg8!
- 1...Bxa1
- 2.Qxa1#
- 1...cxd5
- 2.Rxd5#
- 1...Bb2
- 2.Bxb2#
- 1...Sf5
- 2.Sf3#
- 1...Se1
- 2.Qg7#
- 1...Sf4
- 2.Qg7#
- 1...Sf3
- 2.Sxf3#
- 1...Sg6
- 2.Sf3#
- 1...a3
- 2.Sb3#
- 1...Bxa1
- 1.Rg8!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(c);N_SPINB(c),OGATE,XB(A)::QAB(B),XB(c)
- B(c);OGATEB::B(A),XB(c)
- S(b);N_GUARD::QAB1(B),XR(d)
- S(g);N_GUARD::S(C),XS(g)
- S(g);N_GUARD::S(C)
- P(e);N_GUARD::S(C)
- P(h);OGATE,XP(I)::R1(J),XP(h)
- Tries
- Try
- S(C);
- Threat
- B(A),XB(c)
- Vars
- B(c);OGATEB::B(A),XB(c)
- Refutation
- B(c);N_SPINB(c),XB(A)
- Try
- B(A);
- Vars
- P(h);OGATE,XP(I)::R1(J),XP(h)
- S(g);N_GUARD::S(C)
- S(b);N_GUARD::QAB1(B),XR(d)
- S(g);N_GUARD::S(C),XS(g)
- P(e);N_GUARD::S(C)
- Refutation
- B(c);N_SPINB(c),XB(A)
- Try
- R(E);XS(b)
- Vars
- B(c);N_SPINB(c),OGATE,XB(A)::QAB(B),XB(c)
- S(g);N_GUARD,XR(E)::S(C)
- P(h);OGATE,XP(I)::R1(J),XP(h)
- B(c);OGATEB::B(A),XB(c)
- S(g);N_GUARD::S(C)
- S(g);N_GUARD::S(C),XS(g)
- P(e);N_GUARD::S(C)
- Refutation
- B(a);XR(E)
- Try
- R(E);XR(d)
- Vars
- S(b);OGATE,P_SPINS(b),SBLOCK,XR(E)::QAB(B)
- P(h);OGATE,XP(I)::R1(J),XP(h)
- B(c);OGATEB::B(A),XB(c)
- S(g);N_GUARD::S(C)
- S(g);N_GUARD::S(C),XS(g)
- P(e);N_GUARD::S(C)
- Refutation
- B(c);N_SPINB(c),XB(A)
- Try
- R(J);
- Vars
- B(c);N_SPINB(c),OGATE,XB(A)::QAB(B),XB(c)
- S(g);N_GUARD,XR(J)::S(C)
- P(h);OGATE,XP(I)::R1(J),XP(h)
- B(c);OGATEB::B(A),XB(c)
- S(b);N_GUARD::QAB1(B),XR(d)
- S(g);N_GUARD::S(C),XS(g)
- S(g);N_GUARD::S(C)
- P(e);N_GUARD::S(C)
- Refutation
- P(i);
- Try
- Q(B);
- Vars
- P(h);OGATE,XP(I)::R1(J),XP(h)
- B(c);OGATEB::B(A),XB(c)
- S(g);N_GUARD::S(C)
- S(b);N_GUARD::QAB1(B),XR(d)
- S(g);N_GUARD::S(C),XS(g)
- P(e);N_GUARD::S(C)
- Refutation
- B(c);N_SPINB(c),XB(A)
- Try
- P(I);XP(h)
- Threat
- R1(J)
- Vars
- B(c);N_SPINB(c),OGATE,XB(A)::QAB(B),XB(c)
- B(c);OGATEB::B(A),XB(c)
- S(g);N_GUARD::S(C)
- S(b);N_GUARD::QAB1(B),XR(d)
- Refutation
- P(j);XP(I)
- Try
- P(I);
- Vars
- B(c);N_SPINB(c),OGATE,XB(A)::QAB(B),XB(c)
- B(c);OGATEB::B(A),XB(c)
- S(g);N_GUARD::S(C)
- S(b);N_GUARD::QAB1(B),XR(d)
- S(g);N_GUARD::S(C),XS(g)
- P(e);N_GUARD::S(C)
- Refutation
- P(k);XP(I)
- Try
- Actual
- R(E);
- Vars
- B(c);N_SPINB(c),OGATE,XB(A)::QAB(B),XB(c)
- P(h);OGATE,XP(I)::R1(J),XP(h)
- B(c);OGATEB::B(A),XB(c)
- S(g);N_GUARD::S(C)
- S(b);OGATE::QAB(B)
- S(g);N_GUARD::S(C),XS(g)
- P(e);N_GUARD::S(C)
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