MESON Chess Problem Database
Problem Display
PID: 236964 (3R1n2/1Nb5/8/4p1p1/PpkNp1Q1/6pK/PB1RP3/2r1rn2 w - - 0 1)
Banaszek, Marcin
Schweizerische Schachzeitung, 1988
#2
10 + 11
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Rc2#
- 1...Rb1
- 2.Rc2#
- 1...Rcd1
- 2.Rc2#
- 1...Rc2
- 2.Rxc2#
- 1...Rxe2
- 2.Qxe2#
- 1...Se6
- 2.Qxe6#
- 1...Sg6
- 2.Qe6#
- 1...Sd7
- 2.Qe6#
- 1...Sh7
- 2.Qe6#
- 1...exd4
- 2.R2xd4#
- 2.R8xd4#
- 1...Ra1
- Tries
- 1.Sc2?
- threat
- 2.Qxe4#
- 1...Rxe2
- 2.Qxe2#
- 1...Sxd2
- 2.Se3#
- 1...Se6
- 2.Qxe6#
- 1...Bb6!
- threat
- 1.Sf3?
- threat
- 2.Qxe4#
- 1...Sxd2
- 2.Sxd2#
- 1...Bb6
- 2.Sxe5#
- 1...Se6
- 2.Qxe6#
- 1...Rxe2!
- threat
- 1.Sb5?
- threat
- 2.Qxe4#
- 1...Rxe2
- 2.Qxe2#
- 1...Bb6
- 2.S5d6#
- 1...Se6
- 2.Qxe6#
- 1...Sxd2!
- threat
- 1.Sf5?
- threat
- 2.Qxe4#
- 1...Rxe2
- 2.Qxe2#
- 1...Sxd2
- 2.Se3#
- 1...Bb6
- 2.Sfd6#
- 1...Se6!
- threat
- 1.Sc6?
- threat
- 2.Qxe4#
- 1...Rxe2
- 2.Qxe2#
- 1...Bb6
- 2.Sxe5#
- 1...Se6
- 2.Qxe6#
- 1...Sxd2!
- threat
- 1.Se6?
- threat
- 2.Qxe4#
- 1...Rxe2
- 2.Qxe2#
- 1...Sxe6
- 2.Qxe6#
- 1...Bb6
- 2.Sd6#
- 1...Sxd2!
- threat
- 1.Qxe4?
- threat
- 2.Sc2#
- 2.Sb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sf5#
- 2.Sc6#
- 2.Se6#
- 2.Qd3#
- 2.Qd5#
- 2.Qc6#
- 1...Rxe2
- 2.Sxe2#
- 2.Qd3#
- 2.Qd5#
- 2.Qc6#
- 2.Qxe2#
- 1...Bxd8
- 2.Sc2#
- 2.Sb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sf5#
- 2.Sc6#
- 2.Se6#
- 2.Qc6#
- 1...Sxd2
- 2.Qd3#
- 2.Qd5#
- 2.Qc6#
- 1...exd4
- 2.R2xd4#
- 2.R8xd4#
- 2.Qd3#
- 2.Qd5#
- 2.Qc6#
- 2.Qxd4#
- 1...b3
- 2.Sc2#
- 2.Sxb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sf5#
- 2.Sc6#
- 2.Se6#
- 1...Rc2
- 2.Sxc2#
- 2.Sb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sf5#
- 2.Sc6#
- 2.Se6#
- 2.Rxc2#
- 2.Qxc2#
- 2.Qd3#
- 2.Qd5#
- 2.Qc6#
- 1...Rc3
- 2.Sc2#
- 2.Sb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sf5#
- 2.Sc6#
- 2.Se6#
- 2.Qd5#
- 2.Qc6#
- 1...Bb6
- 2.Qd3#
- 2.Qd5#
- 1...Bd6
- 2.Sc2#
- 2.Sb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sf5#
- 2.Sc6#
- 2.Se6#
- 1...Se3
- 2.Sc2#
- 2.Sb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sf5#
- 2.Sc6#
- 2.Se6#
- 2.Qd3#
- 2.Qc6#
- 1...Se6
- 2.Sxe6#
- 2.Qd3#
- 2.Qd5#
- 1...Sd7
- 2.Sc2#
- 2.Sb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sf5#
- 2.Sc6#
- 2.Se6#
- 1...g4+!
- threat
- 1.Sc2?
- Keys
- 1.Sb3!
- threat
- 2.Qxe4#
- 1...Rxe2
- 2.Qxe2#
- 1...Sxd2
- 2.Sxd2#
- 1...Bb6
- 2.Sd6#
- 1...Se6
- 2.Qxe6#
- threat
- 1.Sb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 7
- Sets
- R(a);N_GUARD::R(C)
- R(a);N_GUARD::R(C),XR(a)
- R(b);OGATE,XP(D)::QAB(H),XR(b)
- S(k);N_GUARD::QAB(H),XS(k)
- S(k);N_GUARD::QAB(H)
- Tries
- Try
- S(G);P_PINP(g)
- Threat
- QAR2(H),XP(g)
- Vars
- R(b);OGATE,XP(D)::QAB(H),XR(b)
- S(c);N_GUARD,XR(C)::S(G)
- S(k);N_GUARD::QAB(H),XS(k)
- Refutation
- B(j);
- Try
- S(G);P_PINP(g)
- Threat
- QAR2(H),XP(g)
- Vars
- S(c);XR(C)::S(G),XS(c)
- B(j);N_GUARD::S(G),XP(h)
- S(k);N_GUARD::QAB(H),XS(k)
- Refutation
- R(b);XP(D)
- Try
- S(G);P_PINP(g)
- Threat
- QAR2(H),XP(g)
- Vars
- R(b);OGATE,XP(D)::QAB(H),XR(b)
- B(j);N_GUARD::S(G)
- S(k);N_GUARD::QAB(H),XS(k)
- Refutation
- S(c);XR(C)
- Try
- S(G);P_PINP(g)
- Threat
- QAR2(H),XP(g)
- Vars
- R(b);OGATE,XP(D)::QAB(H),XR(b)
- S(c);N_GUARD,XR(C)::S(G)
- B(j);N_GUARD::S(G)
- Refutation
- S(k);
- Try
- S(G);P_PINP(g)
- Threat
- QAR2(H),XP(g)
- Vars
- R(b);OGATE,XP(D)::QAB(H),XR(b)
- B(j);N_GUARD::S(G),XP(h)
- S(k);N_GUARD::QAB(H),XS(k)
- Refutation
- S(c);XR(C)
- Try
- S(G);P_PINP(g)
- Threat
- QAR2(H),XP(g)
- Vars
- R(b);OGATE,XP(D)::QAB(H),XR(b)
- S(k);OGATE,XS(G)::QAB(H),XS(k)
- B(j);N_GUARD::S(I)
- Refutation
- S(c);XR(C)
- Try
- Q(H);XP(g)
- Threat
- DUALS(10)
- Refutation
- P(i);CHECK
- Try
- Actual
- S(G);P_PINP(g)
- Threat
- QAR2(H),XP(g)
- Vars
- R(b);OGATE,XP(D)::QAB(H),XR(b)
- S(c);XR(C)::S(G),XS(c)
- B(j);N_GUARD::S(I)
- S(k);N_GUARD::QAB(H),XS(k)
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