MESON Chess Problem Database
Problem Display
PID: 236843 (7r/2RNR3/8/7p/Pp1k1NP1/pp3p2/2pp3Q/2B1bK2 w - - 0 1)
Piatesi, Antonio
Schweizerische Schachzeitung, 1988
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...Bf2
- 2.Qxf2#
- 1...Bg3
- 2.Qxd2#
- 1...Bh4
- 2.Qxd2#
- 1...d1Q
- 2.Be3#
- 1...d1B
- 2.Be3#
- 1...d1R
- 2.Be3#
- 1...a2
- 2.Bb2#
- 1...hxg4
- 2.Qxh8#
- 1...Bf2
- Tries
- 1.Se2+?
- 1...Kd3
- 2.Qd6#
- 1...Kd5
- 2.Sb6#
- 2.Sf6#
- 2.Rc5#
- 2.Qe5#
- 1...fxe2+!
- 1...Kd3
- 1.Sh3?
- threat
- 2.Qd6#
- 1...Kd3
- 2.Qd6#
- 1...Kd5
- 2.Qe5#
- 1...Bg3
- 2.Qxd2#
- 1...Rh6!
- threat
- 1.Sc5?
- threat
- 2.Sxb3#
- 1...Kc3
- 2.Sce6#
- 1...Kc4
- 2.Sce6#
- 1...b2
- 2.Sb3#
- 1...dxc1S!
- threat
- 1.Se5?
- threat
- 2.Sxf3#
- 1...Ke3
- 2.Sc6#
- 1...Ke4
- 2.Sc6#
- 1...d1Q
- 2.Rc4#
- 1...d1B
- 2.Rc4#
- 1...f2
- 2.Sf3#
- 1...hxg4!
- threat
- 1.Qg1+?
- 1...Bf2
- 2.Qxf2#
- 1...f2!
- 1...Bf2
- 1.Qe2?
- threat
- 2.Rc4#
- 2.Re4#
- 2.Qd3#
- 2.Qc4#
- 2.Qe3#
- 2.Qe4#
- 2.Qe5#
- 1...dxc1Q
- 2.Rc4#
- 2.Re4#
- 2.Qd3#
- 2.Qc4#
- 2.Qe4#
- 2.Qe5#
- 1...dxc1S
- 2.Rc4#
- 2.Re4#
- 2.Qc4#
- 2.Qe3#
- 2.Qe4#
- 2.Qe5#
- 1...dxc1B
- 2.Rc4#
- 2.Re4#
- 2.Qd3#
- 2.Qc4#
- 2.Qe4#
- 2.Qe5#
- 1...d1Q
- 2.Be3#
- 2.Rc4#
- 2.Re4#
- 2.Qc4#
- 2.Qe3#
- 2.Qe4#
- 2.Qe5#
- 1...d1S
- 2.Rc4#
- 2.Re4#
- 2.Qd3#
- 2.Qc4#
- 2.Qe4#
- 2.Qe5#
- 1...d1R
- 2.Be3#
- 2.Rc4#
- 2.Re4#
- 2.Qc4#
- 2.Qe3#
- 2.Qe4#
- 2.Qe5#
- 1...Rc8
- 2.Re4#
- 2.Qd3#
- 2.Qc4#
- 2.Qe3#
- 2.Qe4#
- 2.Qe5#
- 1...Re8
- 2.Rc4#
- 2.Qd3#
- 2.Qc4#
- 2.Qe3#
- 2.Qe4#
- 2.Qe5#
- 1...Bf2
- 2.Rc4#
- 2.Re4#
- 2.Qd3#
- 2.Qc4#
- 2.Qxd2#
- 2.Qxf2#
- 2.Qe4#
- 2.Qe5#
- 1...fxe2+!
- threat
- 1.Qxh5?
- threat
- 2.Qc5#
- 2.Qd5#
- 2.Qe5#
- 2.Qxh8#
- 1...Rh6
- 2.Qc5#
- 2.Qd5#
- 2.Qe5#
- 1...Rh7
- 2.Qc5#
- 2.Qd5#
- 2.Qe5#
- 1...Ra8
- 2.Qc5#
- 2.Qd5#
- 2.Qe5#
- 1...Rb8
- 2.Qc5#
- 2.Qd5#
- 2.Qe5#
- 1...Rc8
- 2.Qc5#
- 2.Qd5#
- 2.Qe5#
- 1...Rd8
- 2.Qc5#
- 2.Qd5#
- 2.Qe5#
- 1...Re8
- 2.Qc5#
- 2.Qd5#
- 2.Qe5#
- 1...Rf8
- 2.Qc5#
- 2.Qd5#
- 2.Qe5#
- 1...Rg8
- 2.Qc5#
- 2.Qd5#
- 2.Qe5#
- 1...Bh4
- 2.Qc5#
- 2.Qd5#
- 2.Qe5#
- 1...Rxh5!
- threat
- 1.Se2+?
- Keys
- 1.Sg6!
- threat
- 2.Qd6#
- 1...Kd3
- 2.Qd6#
- 1...Kd5
- 2.Qe5#
- 1...Bg3
- 2.Qxd2#
- threat
- 1.Sg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 7
- Sets
- B(a);N_GUARD::QAB(C),XB(a)
- B(a);N_GUARD::QAR2(C),XP(c)
- P(c);OGATE::B(A)
- P(d);N_GUARD::B(A)
- P(i);OGATE,XP(F)::QAB(C),XR(j)
- Tries
- Try
- S(E);CHECK
- Vars
- K(h);P-FLIGHT::QAR(C)
- Refutation
- P(f);CHECK,XS(E)
- Try
- S(E);
- Threat
- QAR2(C)
- Vars
- K(h);P-FLIGHT::QAR(C)
- K(h);P-FLIGHT::QAR1(C)
- B(a);N_GUARD::QAR2(C),XP(c)
- Refutation
- R(j);
- Try
- S(H);
- Threat
- S(H),XP(e)
- Vars
- K(h);S_FLIGHT::R(G)+S(H)
- K(h);P-FLIGHT::R(G)+S(H)
- P(e);::S(H)
- Refutation
- P(c);XB(A)
- Try
- S(H);
- Threat
- S(H),XP(f)
- Vars
- K(h);P_SPINP(c),S_FLIGHT::R(I)+S(H)
- K(h);P-FLIGHT::R(I)+S(H)
- P(c);::R1(G)
- P(f);::S(H)
- Refutation
- P(i);XP(F)
- Try
- Q(C);CHECK
- Vars
- B(a);N_GUARD,P_SPINB(a)::QAB(C),XB(a)
- Refutation
- P(f);P_SPINP(f)
- Try
- Q(C);
- Threat
- DUALS(7)
- Refutation
- P(f);CHECK,XQ(C)
- Try
- Q(C);XP(i)
- Threat
- DUALS(4)
- Refutation
- R(j);XQ(C)
- Try
- Actual
- S(E);
- Threat
- QAR2(C)
- Vars
- K(h);P-FLIGHT::QAR(C)
- K(h);P-FLIGHT::QAR1(C)
- B(a);N_GUARD::QAR2(C),XP(c)
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