MESON Chess Problem Database
Problem Display
PID: 21492 (n2Q1K1B/4pb2/3N2p1/3NR3/3k2BR/bPpP4/1n2Pr2/8 w - - 0 1)
Weenink, Henri Gerard Maria
Comm., Good Companions (December), 1919
#2
11 + 9
| 3132 | The Good Companion Two-Mover | 1922 |
| 16055 | HGM Weenink (Euwe/Niemeijer/Rueb/Trotsenburg) | 1932 |
SOLUTION
- SOUND
- Sets
- 1...Bc5
- 2.Sb5#
- 2.Bf3#
- 1...Bc5
- Tries
- 1.Sb4?
- threat
- 2.Sc2#
- 2.Sc6#
- 2.Sb5#
- 2.Sf5#
- 2.Sxf7#
- 2.Bf3#
- 2.e3#
- 1...Bxb3+
- 2.Sf5#
- 2.Bf3#
- 1...Bc4+
- 2.Sf5#
- 2.Bf3#
- 1...Be6+
- 2.Sf5#
- 1...Be8+
- 2.Sf5#
- 2.Bf3#
- 1...Bg8+
- 2.Sf5#
- 2.Sf7#
- 2.Bf3#
- 1...Rxe2
- 2.Sb5#
- 2.Sf5#
- 2.Sxf7#
- 2.Bxe2#
- 1...Bxb4
- 2.Sb5#
- 2.Sf5#
- 2.Bf3#
- 1...Sxd3
- 2.Sc2#
- 2.Sc6#
- 2.Sb5#
- 2.Sf5#
- 2.Sxf7#
- 2.e3#
- 1...exd6
- 2.Sc2#
- 2.Sc6#
- 2.Bf3#
- 2.e3#
- 1...Rf6
- 2.Sc6#
- 1...c2
- 2.Sb5#
- 1...Rg2
- 2.Sc2#
- 2.Sc6#
- 2.Sb5#
- 2.Sf5#
- 2.Sxf7#
- 2.e3#
- 1...Rh2
- 2.Sc2#
- 2.Sc6#
- 2.Sb5#
- 2.Sf5#
- 2.Sxf7#
- 2.Bh3#
- 2.e3#
- 1...Rf3
- 2.Sc2#
- 2.Sc6#
- 2.Sb5#
- 2.Sf5#
- 2.Sxf7#
- 2.Bxf3#
- 1...Rf4
- 2.Sc2#
- 2.Sc6#
- 2.Sb5#
- 2.Sf5#
- 2.Sxf7#
- 2.e3#
- 1...Rf5
- 2.Sc2#
- 2.Sc6#
- 2.Sb5#
- 2.Sxf5#
- 2.Sxf7#
- 2.Bxf5#
- 2.e3#
- 1...Sd1
- 2.Sc2#
- 2.Sc6#
- 2.Sb5#
- 2.Sf5#
- 2.Sxf7#
- 2.Bf3#
- 1...Sc4
- 2.Sc2#
- 2.Sc6#
- 2.Sb5#
- 2.Sf5#
- 2.Bf3#
- 1...Sb6
- 2.Sc2#
- 2.Sc6#
- 2.Sb5#
- 2.Sf5#
- 2.Bf3#
- 2.Qxb6#
- 2.e3#
- 1...Sc7
- 2.Sc2#
- 2.Sc6#
- 2.Sb5#
- 2.Sf5#
- 2.Bf3#
- 2.e3#
- 1...g5
- 2.Sc2#
- 2.Sc6#
- 2.Sb5#
- 2.Sf5#
- 2.Sxf7#
- 2.e3#
- 1...Bd5+!
- threat
- 1.Sf4?
- threat
- 2.Sb5#
- 2.Sf5#
- 2.e3#
- 1...Rxe2
- 2.Sb5#
- 2.Sf5#
- 1...Rxf4
- 2.Sb5#
- 2.Sf5#
- 1...Bxd6
- 2.e3#
- 1...exd6
- 2.e3#
- 1...c2
- 2.Sb5#
- 1...Rf3
- 2.Sb5#
- 2.Sf5#
- 1...Sd1
- 2.Sb5#
- 2.Sf5#
- 1...Sc4
- 2.Sb5#
- 2.Sf5#
- 1...e6
- 2.e3#
- 1...Bd5!
- threat
- 1.Sxe7?
- threat
- 2.Sb5#
- 2.Sdf5#
- 2.Sc6#
- 2.Bf3#
- 1...Bxb3+
- 2.Sdf5#
- 2.Bf3#
- 1...Bc4+
- 2.Sdf5#
- 2.Bf3#
- 1...Be6+
- 2.Sdf5#
- 1...Be8+
- 2.Sdf5#
- 2.Bf3#
- 1...Bg8+
- 2.Sdf5#
- 2.Bf3#
- 1...Rxe2
- 2.Sb5#
- 2.Sdf5#
- 2.Bxe2#
- 1...Bxd6
- 2.Bf3#
- 1...Sxd3
- 2.Sb5#
- 2.Sdf5#
- 2.Sc6#
- 2.e3#
- 1...Rf6
- 2.Sc6#
- 1...c2
- 2.Sb5#
- 1...Rg2
- 2.Sb5#
- 2.Sdf5#
- 2.Sc6#
- 1...Rh2
- 2.Sb5#
- 2.Sdf5#
- 2.Sc6#
- 2.Bh3#
- 1...Rf3
- 2.Sb5#
- 2.Sdf5#
- 2.Sc6#
- 2.Bxf3#
- 1...Rf4
- 2.Sb5#
- 2.Sdf5#
- 2.Sc6#
- 1...Rf5
- 2.Sb5#
- 2.Sdxf5#
- 2.Sc6#
- 2.Bxf5#
- 1...g5
- 2.Sb5#
- 2.Sdf5#
- 2.Sc6#
- 1...Bd5+!
- threat
- 1.Be6+?
- 1...Kc5
- 2.Sb4#
- 2.Sxe7#
- 1...Rf4!
- 1...Kc5
- 1.Bd7+?
- 1...Kc5
- 2.Sb7#
- 1...Rf4!
- 1...Kc5
- 1.Qa5?
- threat
- 2.Bf3#
- 2.Re4#
- 2.Qxc3#
- 1...Be6+
- 2.Rf5#
- 1...Be8+
- 2.Bf3#
- 1...Bg8+
- 2.Bf3#
- 1...Rxe2
- 2.Bxe2#
- 2.Qxc3#
- 1...Sxd3
- 2.Re4#
- 2.Qxc3#
- 2.e3#
- 1...Rf6
- 2.Re4#
- 2.Qxc3#
- 1...Rf4
- 2.Re4#
- 2.Qxc3#
- 1...Rg2
- 2.Re4#
- 2.Re6#
- 2.Rxe7#
- 2.Qxc3#
- 1...Rh2
- 2.Bh3#
- 2.Re4#
- 2.Re6#
- 2.Rxe7#
- 2.Qxc3#
- 1...Rf3
- 2.Bxf3#
- 2.Re4#
- 2.Qxc3#
- 1...Rf5
- 2.Bxf5#
- 2.Re4#
- 2.Qxc3#
- 1...Bb4
- 2.Bf3#
- 2.Re4#
- 1...Bc5
- 2.Sb5#
- 2.Bf3#
- 2.Qxc3#
- 1...Sd1
- 2.Bf3#
- 2.Re4#
- 1...Sa4
- 2.Bf3#
- 2.Re4#
- 1...Sc4
- 2.Bf3#
- 2.Re4#
- 1...c2
- 2.Bf3#
- 2.Re4#
- 2.Qc3#
- 1...g5
- 2.Re4#
- 2.Qxc3#
- 1...Bxd5+!
- threat
- 1.Qb6+?
- 1...Bc5
- 2.Sb5#
- 2.Bf3#
- 1...Sxb6!
- 1...Bc5
- 1.Sb4?
- Keys
- 1.Sb7!
- threat
- 2.Bf3#
- 2.Re4#
- 1...Bxd5+
- 2.Bf3#
- 1...Be6+
- 2.Rf5#
- 1...Be8+
- 2.Bf3#
- 1...Bg8+
- 2.Bf3#
- 1...e6+
- 2.Sb4#
- 1...Rxe2
- 2.Bxe2#
- 1...Sxd3
- 2.e3#
- 1...Rf6
- 2.Re4#
- 1...Rg2
- 2.Re4#
- 2.Re6#
- 2.Rxe7#
- 1...Rh2
- 2.Bh3#
- 2.Re4#
- 2.Re6#
- 2.Rxe7#
- 1...Rf3
- 2.Bxf3#
- 2.Re4#
- 1...Rf4
- 2.Re4#
- 1...Rf5
- 2.Bxf5#
- 2.Re4#
- 1...Bd6
- 2.Bf3#
- 1...g5
- 2.Re4#
- threat
- 1.Sb7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 11
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(F);
- Threat
- DUALS(7)
- Vars
- B(h);CHECK::QAR(I)+S(H),DCHECK
- R(b);::S(F)
- P(d);::QAR(I)+S(H),DCHECK
- Refutation
- B(h);CHECK
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- B(c);P_SPINB(c),XS(H)::P(A)
- P(g);P_SPINP(g),XS(H)::P(A)
- P(d);::QAR(I)+S(H),DCHECK
- P(g);P_PINS(H)::P(A)
- Refutation
- B(h);P_PINS(F)
- Try
- S(F);XP(g)
- Threat
- DUALS(4)
- Vars
- B(h);CHECK::QAR(I)+S(H),DCHECK
- B(c);P_PINS(F),P_SPINB(c),XS(H)::R(E)+B(D)
- R(b);::S(F)
- P(d);::QAR(I)+S(H),DCHECK
- Refutation
- B(h);CHECK
- Try
- B(D);CHECK
- Refutation
- R(b);P_SPINR(b)
- Try
- B(D);CHECK
- Vars
- K(e);S_FLIGHT::S(H)
- Refutation
- R(b);P_SPINR(b)
- Try
- Q(I);
- Threat
- DUALS(3)
- Vars
- B(h);CHECK,S_CUTP(g)::B(K)+R(G)
- B(h);CHECK::R(E)+B(D)
- Refutation
- B(h);CHECK,XS(F)
- Try
- Q(I);CHECK
- Refutation
- S(i);XQ(I)
- Try
- Actual
- S(H);
- Threat
- DUALS(2)
- Vars
- B(h);CHECK,P_SPINB(h),XS(F)::R(E)+B(D)
- B(h);CHECK,S_CUTP(g)::B(K)+R(G)
- B(h);CHECK::R(E)+B(D)
- P(g);CHECK,S_CUTB(h)::QAR(I)+S(F)
- R(b);OGATE,XP(A)::R(E)+B(D),XR(b)
- S(a);SBLOCK,XP(C)::P(A)
- R(b);::R1(G)
- R(b);::B(K)+R(G),DCHECK
- B(c);::R(E)+B(D)
- P(f);::B(K)+R(G),DCHECK
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