MESON Chess Problem Database
Problem Display
PID: 141578 (8/3n2pq/1b5p/1N2k1p1/3RP1B1/2P2Q2/p3RK2/rb2N3 w - - 0 1)
Ellerman, Arnoldo
1st Comm., Die Schwalbe, 1965/II
#2
9 + 10
| 23 | Die Schwalbe | 1969 |
SOLUTION
- SOUND
- Sets
- 1...Qxe4
- 2.Qf5#
- 1...Qf5
- 2.Qxf5#
- 1...Qg8
- 2.Qf5#
- 1...Qh8
- 2.Qf5#
- 1...Bd3
- 2.Sxd3#
- 1...Bxe4
- 2.Sd3#
- 1...Bxd4+
- 2.cxd4#
- 1...Ba5
- 2.Rd5#
- 1...Bc7
- 2.Rd5#
- 1...Bd8
- 2.Rd5#
- 1...Sc5
- 2.Rd5#
- 1...Sf6
- 2.Qg3#
- 1...Qxe4
- Tries
- 1.Kf1?
- threat
- 2.Rd5#
- 1...Qxe4
- 2.Qf5#
- 1...Bxd4
- 2.cxd4#
- 1...Qf5
- 2.Qxf5#
- 1...Qg8
- 2.Qf5#
- 1...Sf6
- 2.Qg3#
- 1...Bxe4!
- threat
- 1.Kg2?
- threat
- 2.Rd5#
- 1...Bxe4
- 2.Sd3#
- 1...Bxd4
- 2.cxd4#
- 1...Qf5
- 2.Qxf5#
- 1...Qg8
- 2.Qf5#
- 1...Sf6
- 2.Qg3#
- 1...Qxe4!
- threat
- 1.Kg3?
- threat
- 2.Rd5#
- 1...Qxe4
- 2.Qf5#
- 1...Bxe4
- 2.Sd3#
- 1...Bxd4
- 2.cxd4#
- 1...Qf5
- 2.Qxf5#
- 1...Qg8
- 2.Qf5#
- 1...Sf6!
- threat
- 1.Sa3?
- threat
- 2.Sc4#
- 1...Qf5
- 2.Qxf5#
- 1...Qg8
- 2.Qf5#
- 1...Bd3
- 2.Sxd3#
- 1...Bxd4+!
- threat
- 1.Sd6?
- threat
- 2.Sc4#
- 2.Sf7#
- 1...Qf5
- 2.Qxf5#
- 1...Qg6
- 2.Sc4#
- 1...Qg8
- 2.Qf5#
- 1...Bd3
- 2.Sxd3#
- 2.Sf7#
- 1...g6
- 2.Sc4#
- 1...Bxd4+!
- threat
- 1.Qf7?
- threat
- 2.Sf3#
- 1...Qf5+
- 2.Qxf5#
- 1...Bxd4+
- 2.cxd4#
- 1...Sf6!
- threat
- 1.Qf8?
- threat
- 2.Sf3#
- 2.Qd6#
- 1...Qf5+
- 2.Qxf5#
- 1...Bxd4+
- 2.cxd4#
- 1...Sf6
- 2.Qd6#
- 1...Qg6
- 2.Sf3#
- 1...Bc5
- 2.Sf3#
- 1...Bc7
- 2.Sf3#
- 2.Rd5#
- 1...Sxf8!
- threat
- 1.Kf1?
- Keys
- 1.Re3!
- threat
- 2.Rd5#
- 1...Qxe4
- 2.Qf5#
- 1...Bxe4
- 2.Sd3#
- 1...Bxd4
- 2.cxd4#
- 1...Qf5
- 2.Qxf5#
- 1...Qg8
- 2.Qf5#
- 1...Sf6
- 2.Qg3#
- threat
- 1.Re3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 6
- Sets
- Q(j);N_GUARD,P_SPINQ(j),XP(G)::QAR1(E)
- Q(j);N_GUARD,P_PINQ(E)::QAR1(E),XQ(j)
- Q(j);N_GUARD::QAR1(E)
- B(b);N_GUARD::S(A),XB(b)
- B(b);N_GUARD,P_SPINB(b),XP(G)::S(A)
- B(f);CHECK,OGATE,XR(F)::P(D),XB(f)
- B(f);N_PINR(F)::R1(F)
- S(h);N_PINR(F)::R1(F)
- S(h);SBLOCK::QAB(E)
- Tries
- Try
- K(C);N_SPINR(F),P-FLIGHT
- Threat
- R1(F)
- Vars
- Q(j);N_GUARD,P_SPINQ(j),XP(G)::QAR1(E)
- B(f);OGATE,XR(F)::P(D),XB(f)
- Q(j);N_GUARD,P_PINQ(E)::QAR1(E),XQ(j)
- Q(j);N_GUARD::QAR1(E)
- S(h);SBLOCK::QAB(E)
- Refutation
- B(b);P_PINS(A),P_SPINB(b),XP(G)
- Try
- K(C);N_SPINR(F),P-FLIGHT
- Threat
- R1(F)
- Vars
- B(b);N_GUARD,P_PINQ(E),P_SPINB(b),XP(G)::S(A)
- B(f);OGATE,XR(F)::P(D),XB(f)
- Q(j);N_GUARD::QAR1(E),XQ(j)
- Q(j);N_GUARD::QAR1(E)
- S(h);SBLOCK::QAB(E)
- Refutation
- Q(j);P_PINQ(E),P_SPINQ(j),XP(G)
- Try
- K(C);N_SPINR(F),S_FLIGHT
- Threat
- R1(F)
- Vars
- Q(j);N_GUARD,P_SPINQ(j),XP(G)::QAR1(E)
- B(b);N_GUARD,P_SPINB(b),XP(G)::S(A)
- B(f);OGATE,XR(F)::P(D),XB(f)
- Q(j);N_GUARD::QAR1(E),XQ(j)
- Q(j);N_GUARD::QAR1(E)
- Refutation
- S(h);
- Try
- S(I);
- Threat
- S(I)
- Vars
- Q(j);N_GUARD,P_PINQ(E)::QAR1(E),XQ(j)
- Q(j);N_GUARD::QAR1(E)
- B(b);N_GUARD::S(A),XB(b)
- Refutation
- B(f);CHECK,XR(F)
- Try
- S(I);
- Threat
- DUALS(2)
- Vars
- Q(j);N_GUARD,P_PINQ(E)::QAR1(E),XQ(j)
- Q(j);::S(I)
- Q(j);N_GUARD::QAR1(E)
- P(i);::S(I)
- Refutation
- B(f);CHECK,XR(F)
- Try
- Q(E);
- Threat
- S(A)
- Vars
- Q(j);CHECK,N_GUARD::QAR1(E),XQ(j)
- B(f);CHECK,OGATE,XR(F)::P(D),XB(f)
- Refutation
- S(h);
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- Q(j);CHECK,N_GUARD::QAR1(E),XQ(j)
- B(f);CHECK,OGATE,XR(F)::P(D),XB(f)
- S(h);::QAB1(E)
- Q(j);::S(A)
- B(f);::S(A)
- Refutation
- S(h);XQ(E)
- Try
- Actual
- R(B);N_SPINR(F)
- Threat
- R1(F)
- Vars
- Q(j);N_GUARD,P_SPINQ(j),XP(G)::QAR1(E)
- B(b);N_GUARD,P_SPINB(b),XP(G)::S(A)
- B(f);OGATE,P_PINR(B),XR(F)::P(D),XB(f)
- Q(j);N_GUARD,P_PINQ(E)::QAR1(E),XQ(j)
- Q(j);N_GUARD::QAR1(E)
- S(h);SBLOCK::QAB(E)
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