MESON Chess Problem Database
Problem Display
PID: 137201 (4K3/Bp3p2/2p4p/R3n2r/3Nk3/4P1PQ/Brb1Pq2/b2R1N2 w - - 0 1)
Ellerman, Arnoldo
Comm., British Chess Magazine, 1946
#2
11 + 11
SOLUTION
- SOUND
- Sets
- 1...Sf3
- 2.Qg4#
- 1...Sf3
- Tries
- 1.Sb5?
- threat
- 2.Sd2#
- 2.Sc3#
- 2.Sd6#
- 2.Rd4#
- 1...Qxe3
- 2.Sd6#
- 1...Qxf1
- 2.Sc3#
- 2.Sd6#
- 1...Rxa2
- 2.Sd6#
- 1...Rxb5
- 2.Sd2#
- 1...Rxh3
- 2.Sd6#
- 1...Bxd1
- 2.Sc3#
- 2.Sd6#
- 1...cxb5
- 2.Sd2#
- 2.Bd5#
- 2.Rd4#
- 1...Sd3
- 2.Sc3#
- 2.Sd6#
- 1...Sf3
- 2.Sc3#
- 2.Sd6#
- 1...Sc4
- 2.Sc3#
- 1...Sg4
- 2.Sc3#
- 2.Sd6#
- 1...Sg6
- 2.Sc3#
- 2.Sd6#
- 1...Sd7
- 2.Sc3#
- 2.Sd6#
- 1...Qe1
- 2.Sd6#
- 2.Rd4#
- 1...Qf6
- 2.Sd2#
- 2.Sc3#
- 2.Rd4#
- 1...Rb1
- 2.Sd2#
- 2.Sd6#
- 1...Rb3
- 2.Sd6#
- 1...Rb4
- 2.Sd2#
- 2.Sd6#
- 1...Bb1
- 2.Sc3#
- 2.Sd6#
- 2.Rd4#
- 1...Bb3
- 2.Sc3#
- 2.Sd6#
- 2.Rd4#
- 1...Bd3
- 2.Sc3#
- 2.Sd6#
- 1...Ba4
- 2.Sc3#
- 2.Sd6#
- 2.Rd4#
- 1...c5
- 2.Sc3#
- 2.Sd6#
- 2.Bd5#
- 1...b6
- 2.Sc3#
- 2.Sd6#
- 2.Rd4#
- 1...Qxe2!
- threat
- 1.Sf5?
- threat
- 2.Sd2#
- 2.Sd6#
- 2.Rd4#
- 1...Qxe3
- 2.Sd6#
- 1...Qxf1
- 2.Sd6#
- 2.Rd4#
- 1...Qxf5
- 2.Sd2#
- 2.Rd4#
- 1...Rxa2
- 2.Sd2#
- 2.Sd6#
- 1...Rxh3
- 2.Sd6#
- 1...Rxf5
- 2.Sd2#
- 2.Rd4#
- 1...Bxd1
- 2.Sd6#
- 1...Qe1
- 2.Sd6#
- 2.Rd4#
- 1...Rb1
- 2.Sd2#
- 2.Sd6#
- 1...Rb3
- 2.Sd2#
- 2.Sd6#
- 1...Rb4
- 2.Sd2#
- 2.Sd6#
- 1...Rb5
- 2.Sd2#
- 2.Sd6#
- 1...Rb6
- 2.Sd2#
- 2.Sd6#
- 1...Bb1
- 2.Sd6#
- 2.Rd4#
- 1...Bb3
- 2.Sd6#
- 2.Rd4#
- 1...Bd3
- 2.Sd6#
- 1...Ba4
- 2.Sd6#
- 2.Rd4#
- 1...Sd3
- 2.Sd2#
- 2.Sd6#
- 1...Sf3
- 2.Sd6#
- 2.Qg4#
- 1...Sc4
- 2.Rd4#
- 1...c5
- 2.Sd2#
- 2.Sd6#
- 2.Bd5#
- 1...Qxe2!
- threat
- 1.Qg4+?
- 1...Qf4
- 2.Qxf4#
- 1...Sxg4!
- 1...Qf4
- 1.Sb5?
- Keys
- 1.Sxc6!
- threat
- 2.Sd2#
- 2.Bd5#
- 2.Rd4#
- 1...Qxe3
- 2.Bd5#
- 1...Qxf1
- 2.Bd5#
- 1...Qxe2
- 2.Bd5#
- 1...Rxa2
- 2.Sd2#
- 1...Rxh3
- 2.Rxe5#
- 1...Bxd1
- 2.Bd5#
- 1...Sxc6
- 2.Sd2#
- 1...bxc6
- 2.Sd2#
- 2.Rd4#
- 1...Qe1
- 2.Bd5#
- 2.Rd4#
- 1...Rb1
- 2.Sd2#
- 2.Bd5#
- 1...Rb3
- 2.Sd2#
- 1...Rb4
- 2.Sd2#
- 2.Bd5#
- 1...Rb5
- 2.Sd2#
- 1...Rb6
- 2.Bd5#
- 1...Bb1
- 2.Bd5#
- 2.Rd4#
- 1...Bb3
- 2.Rd4#
- 1...Bd3
- 2.Bd5#
- 1...Ba4
- 2.Bd5#
- 2.Rd4#
- 1...Sd3
- 2.Sd2#
- 1...Sf3
- 2.Qg4#
- 1...Sc4
- 2.Rd4#
- 1...Sg4
- 2.Sd2#
- 2.Rd4#
- 1...Sg6
- 2.Sd2#
- 2.Rd4#
- 1...Sd7
- 2.Sd2#
- 2.Rd4#
- 1...b6
- 2.Bd5#
- 2.Rd4#
- threat
- 1.Sxc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 14
- REMOVED MATES = 0
- Sets
- S(f);N_GUARD,S_CUTQ(d)::QAR2(G)
- Tries
- Try
- S(H);
- Threat
- DUALS(4)
- Vars
- Q(d);XP(E)::S(H)
- R(b);XB(C)::S(H)
- R(b);XS(H)::S(B)
- R(g);XQ(G)::S(H)
- S(f);::S(H)
- R(b);::S(H)
- Refutation
- Q(d);XP(D)
- Try
- S(H);
- Threat
- DUALS(3)
- Vars
- Q(d);XP(E)::S(H)
- R(g);XQ(G)::S(H)
- B(c);XR(A)::S(H)
- B(c);::S(H)
- S(f);::R1(A)
- Refutation
- Q(d);XP(D)
- Try
- Q(G);CHECK
- Vars
- Q(d);N_GUARD,P_SPINQ(d)::QAR1(G),XQ(d)
- Refutation
- S(f);XQ(G)
- Try
- Actual
- S(H);XP(h)
- Threat
- DUALS(3)
- Vars
- Q(d);XP(E)::B(C)
- Q(d);XS(B)::B(C)
- Q(d);XP(D)::B(C)
- R(b);XB(C)::S(B)
- R(g);N_GUARD,XQ(G)::R1(I),XS(f)
- B(c);XR(A)::B(C)
- S(f);XS(H)::S(B)
- R(b);::S(B)
- R(b);::B(C)
- B(c);::R1(A)
- B(c);::B(C)
- S(f);::S(B)
- S(f);N_GUARD,S_CUTQ(d)::QAR2(G)
- S(f);::R1(A)
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