MESON Chess Problem Database
Problem Display
PID: 273370 (4K3/2R1N2p/N1Rpk3/1n2B3/n3pP1p/2P3r1/Pp6/1B4Qb w - - 0 1)
Marx, Paul
British Chess Magazine, 1934
#2
11 + 10
SOLUTION
- SOUND
- Sets
- 1...Rxc3
- 2.Qg4#
- 2.Qg8#
- 1...Rd3
- 2.Qg4#
- 2.Qg8#
- 1...Re3
- 2.Qg4#
- 2.Qg8#
- 1...Rf3
- 2.Qg4#
- 2.Qg8#
- 1...Rh3
- 2.Qg4#
- 2.Qg8#
- 1...Rg4
- 2.Qxg4#
- 1...Rg8+
- 2.Qxg8#
- 1...Saxc3
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sb6
- 2.Sc5#
- 1...Sa3
- 2.Rxd6#
- 1...Sbxc3
- 2.Rxd6#
- 1...Sd4
- 2.Rxd6#
- 1...Sa7
- 2.Rxd6#
- 1...Sxc7+
- 2.Sxc7#
- 1...e3
- 2.Bf5#
- 1...Rxc3
- Tries
- 1.Bd3?
- threat
- 2.Bc4#
- 1...Rg8+
- 2.Qxg8#
- 1...Sxc7+
- 2.Sxc7#
- 1...Rxd3
- 2.Qg4#
- 2.Qg8#
- 1...Saxc3
- 2.Sc5#
- 1...Sbxc3
- 2.Rxd6#
- 1...Sb6
- 2.Sc5#
- 1...Sa3
- 2.Rxd6#
- 1...e3
- 2.Bf5#
- 1...exd3!
- threat
- 1.Qd4?
- threat
- 2.Qc4#
- 2.Qd5#
- 2.f5#
- 1...Sxc7+
- 2.Sxc7#
- 1...Rxc3
- 2.Qd5#
- 2.f5#
- 1...Saxc3
- 2.Sc5#
- 2.f5#
- 1...Sbxc3
- 2.Rxd6#
- 2.Qxd6#
- 2.f5#
- 1...Sxd4
- 2.Rxd6#
- 1...Rg5
- 2.Qc4#
- 2.Qd5#
- 1...Rd3
- 2.f5#
- 1...Rf3
- 2.Qc4#
- 2.Qd5#
- 1...Sb6
- 2.Sc5#
- 2.f5#
- 1...Sa3
- 2.Rxd6#
- 2.Qd5#
- 2.Qxd6#
- 2.f5#
- 1...e3
- 2.Bf5#
- 2.f5#
- 1...Rg8+!
- threat
- 1.Qc5?
- threat
- 2.Qc4#
- 2.Qd5#
- 2.f5#
- 1...Sxc7+
- 2.Sxc7#
- 1...Rxc3
- 2.Qd5#
- 2.f5#
- 1...Saxc3
- 2.f5#
- 1...Sxc5
- 2.Sxc5#
- 1...Sbxc3
- 2.Rxd6#
- 2.Qxd6#
- 2.f5#
- 1...Rg5
- 2.Qc4#
- 2.Qd5#
- 1...Rd3
- 2.f5#
- 1...Rf3
- 2.Qc4#
- 2.Qd5#
- 1...Sb6
- 2.f5#
- 1...Sa3
- 2.Rxd6#
- 2.Qxd6#
- 2.Qd5#
- 2.f5#
- 1...Sd4
- 2.Rxd6#
- 2.Qxd6#
- 2.Qc4#
- 2.Qd5#
- 1...e3
- 2.Bf5#
- 2.f5#
- 1...Rg8+!
- threat
- 1.Qd1?
- threat
- 2.Qb3#
- 2.Qd5#
- 1...Sxc7+
- 2.Sxc7#
- 1...Rxc3
- 2.Qg4#
- 2.Qd5#
- 1...Saxc3
- 2.Sc5#
- 1...Sbxc3
- 2.Rxd6#
- 2.Qxd6#
- 1...Rd3
- 2.Qg4#
- 1...Sc5
- 2.Sxc5#
- 2.Qd5#
- 1...Sb6
- 2.Sc5#
- 1...Sa3
- 2.Rxd6#
- 2.Qd5#
- 2.Qxd6#
- 1...Sd4
- 2.Rxd6#
- 1...e3
- 2.Bf5#
- 1...Rg8+!
- threat
- 1.Qxg3?
- threat
- 2.Qh3#
- 2.Qg4#
- 2.Qg8#
- 2.f5#
- 1...Sxc7+
- 2.Sxc7#
- 1...Bg2
- 2.Qg4#
- 2.Qg8#
- 2.f5#
- 1...Bf3
- 2.Qg8#
- 2.f5#
- 1...Sd4
- 2.Rxd6#
- 2.Qg8#
- 1...h3
- 2.Qxh3#
- 2.Qg4#
- 2.Qg8#
- 2.f5#
- 1...h5
- 2.Qh3#
- 2.Qg6#
- 2.Qg8#
- 2.f5#
- 1...hxg3!
- threat
- 1.Bd3?
- Keys
- 1.a3!
- threat
- 2.Ba2#
- 1...Rg8+
- 2.Qxg8#
- 1...Sxc7+
- 2.Sxc7#
- 1...Rxc3
- 2.Qg4#
- 2.Qg8#
- 1...Saxc3
- 2.Sc5#
- 1...Sxa3
- 2.Rxd6#
- 1...Sbxc3
- 2.Rxd6#
- 1...Rd3
- 2.Qg4#
- 2.Qg8#
- 1...Sc5
- 2.Sxc5#
- 1...Sb6
- 2.Sc5#
- 1...Sd4
- 2.Rxd6#
- 1...e3
- 2.Bf5#
- threat
- 1.a3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- R(c);OGATE::QAB(B),XR(c)
- R(c);CHECK,OGATE::QAB(B),XR(c)
- S(d);N_GUARD,XP(D)::S(G)
- S(d);N_GUARD::S(G),XS(d)
- S(d);N_GUARD::S(G)
- S(g);N_GUARD::R1(H),XP(h)
- S(g);N_GUARD,XP(D)::R1(H),XP(h)
- S(g);CHECK,XR(I)::S(G),XS(g)
- P(e);OGATE::B(A)
- Tries
- Try
- B(A);
- Threat
- B(A)
- Vars
- R(c);CHECK,OGATE::QAB(B),XR(c)
- S(g);CHECK,XR(I)::S(G),XS(g)
- S(d);N_GUARD,XP(D)::S(G)
- S(g);N_GUARD,XP(D)::R1(H),XP(h)
- S(d);N_GUARD::S(G)
- S(g);N_GUARD::R1(H),XP(h)
- P(e);OGATE::B(A)
- Refutation
- P(e);XB(A)
- Try
- Q(B);
- Threat
- DUALS(3)
- Vars
- S(g);CHECK,XR(I)::S(G),XS(g)
- S(g);N_GUARD,XQ(B)::R1(H),XP(h)
- R(c);::P(E)
- Refutation
- R(c);CHECK
- Try
- Q(B);
- Threat
- DUALS(3)
- Vars
- S(g);CHECK,XR(I)::S(G),XS(g)
- S(d);XP(D)::P(E)
- S(d);XQ(B)::S(G),XS(d)
- R(c);::P(E)
- S(d);::P(E)
- Refutation
- R(c);CHECK
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- S(g);CHECK,XR(I)::S(G),XS(g)
- S(d);N_GUARD,XP(D)::S(G)
- R(c);N_GUARD::QAB(B)
- S(d);N_GUARD::S(G)
- S(g);N_GUARD::R1(H),XP(h)
- P(e);OGATE::B(A)
- Refutation
- R(c);CHECK
- Try
- Q(B);XR(c)
- Threat
- DUALS(4)
- Vars
- S(g);CHECK,XR(I)::S(G),XS(g)
- Refutation
- P(f);XQ(B)
- Try
- Actual
- P(C);
- Threat
- B(A)
- Vars
- R(c);CHECK,OGATE::QAB(B),XR(c)
- S(g);CHECK,XR(I)::S(G),XS(g)
- S(d);N_GUARD,XP(D)::S(G)
- S(g);N_GUARD,XP(C)::R1(H),XP(h)
- S(g);N_GUARD,XP(D)::R1(H),XP(h)
- S(d);N_GUARD::S(G),XS(d)
- S(d);N_GUARD::S(G)
- S(g);N_GUARD::R1(H),XP(h)
- P(e);OGATE::B(A)
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