MESON Chess Problem Database
Problem Display
PID: 109021 (8/4p3/5p2/1NRN1p1B/1p1PkPp1/2r1p3/2P1K3/1Q3R2 w - - 0 1)
Moutecidis, Pavlos
BCF, 1952-1953
#2
10 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxc2+
- 2.Qxc2#
- 1...Ra3
- 2.c3#
- 1...Rb3
- 2.cxb3#
- 1...Rd3
- 2.cxd3#
- 1...Rc4
- 2.c3#
- 1...Rxc5
- 2.c4#
- 1...b3
- 2.Sdxc3#
- 1...g3
- 2.Bf3#
- 1...e5
- 2.Sxf6#
- 1...e6
- 2.Sxf6#
- 1...Rxc2+
- Tries
- 1.Kd1?
- 1...Rd3+
- 2.cxd3#
- 1...Rxc2
- 2.Qxc2#
- 1...Rxc5
- 2.c4#
- 1...Ra3
- 2.c3#
- 1...Rb3
- 2.cxb3#
- 1...Rc4
- 2.c3#
- 1...b3
- 2.Sdxc3#
- 1...g3
- 2.Bf3#
- 1...e5
- 2.Sxf6#
- 1...e6
- 2.Sxf6#
- 1...e2+!
- 1...Rd3+
- 1.Ke1?
- 1...Rxc2
- 2.Qxc2#
- 1...Rxc5
- 2.c4#
- 1...Ra3
- 2.c3#
- 1...Rb3
- 2.cxb3#
- 1...Rd3
- 2.cxd3#
- 1...Rc4
- 2.c3#
- 1...b3
- 2.Sdxc3#
- 1...g3
- 2.Bf3#
- 1...e5
- 2.Sxf6#
- 1...e6
- 2.Sxf6#
- 1...e2!
- 1...Rxc2
- 1.Sbxc3+?
- 1...Kxd4
- 2.Qxb4#
- 1...bxc3!
- 1...Kxd4
- 1.Bxg4?
- threat
- 2.Bf3#
- 1...Rxc2+
- 2.Qxc2#
- 1...fxg4!
- threat
- 1.Bg6?
- 1...Rxc2+
- 2.Qxc2#
- 1...Rxc5
- 2.c4#
- 1...b3
- 2.Sdxc3#
- 1...Ra3
- 2.c3#
- 1...Rb3
- 2.cxb3#
- 1...Rd3
- 2.cxd3#
- 1...Rc4
- 2.c3#
- 1...e5
- 2.Sxf6#
- 1...e6
- 2.Sxf6#
- 1...g3!
- 1...Rxc2+
- 1.Bf7?
- 1...Rxc2+
- 2.Qxc2#
- 1...Rxc5
- 2.c3#
- 2.c4#
- 1...Ra3
- 2.c3#
- 1...Rb3
- 2.cxb3#
- 1...Rd3
- 2.cxd3#
- 1...Rc4
- 2.c3#
- 1...b3
- 2.Sdxc3#
- 1...e5
- 2.Sxf6#
- 1...e6
- 2.Sxf6#
- 1...g3!
- 1...Rxc2+
- 1.Be8?
- 1...Rxc2+
- 2.Qxc2#
- 1...Rxc5
- 2.c4#
- 1...Ra3
- 2.c3#
- 1...Rb3
- 2.cxb3#
- 1...Rd3
- 2.cxd3#
- 1...Rc4
- 2.c3#
- 1...b3
- 2.Sdxc3#
- 1...e5
- 2.Sxf6#
- 1...e6
- 2.Sxf6#
- 1...g3!
- 1...Rxc2+
- 1.Rf2?
- threat
- 2.Qh1#
- 1...Rxc2+
- 2.Qxc2#
- 1...g3
- 2.Bf3#
- 1...exf2!
- threat
- 1.Rf3?
- 1...Rxc2+
- 2.Qxc2#
- 1...gxf3+
- 2.Bxf3#
- 1...Rxc5
- 2.c4#
- 1...b3
- 2.Sdxc3#
- 1...Ra3
- 2.c3#
- 1...Rb3
- 2.cxb3#
- 1...Rd3
- 2.cxd3#
- 1...Rc4
- 2.Rxe3#
- 2.c3#
- 1...e5
- 2.Sxf6#
- 1...e6
- 2.Sxf6#
- 1...g3!
- 1...Rxc2+
- 1.Kd1?
- Keys
- 1.Rd1!
- 1...Rxc2+
- 2.Qxc2#
- 1...Rxc5
- 2.c4#
- 1...g3
- 2.Bf3#
- 1...Ra3
- 2.c3#
- 1...Rb3
- 2.cxb3#
- 1...Rd3
- 2.cxd3#
- 1...Rc4
- 2.c3#
- 1...b3
- 2.Sbxc3#
- 1...e5
- 2.Sd6#
- 1...e6
- 2.Sd6#
- 1...Rxc2+
- 1.Rd1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(a);CHECK,OGATE,P_SPINR(a),XP(C)::QAB(A),XR(a)
- R(a);OGATE::QAB(A)+P(C)
- R(a);OGATE::QAB(A)+P(C),XR(a)
- R(a);OGATE::P(C),XR(a)
- R(a);OGATE,XR(H)::QAB(A)+P(C)
- P(c);N_GUARD::S(I),XR(a)
- P(e);OGATE::B(J)
- P(h);N_GUARD::S(I),XP(g)
- Tries
- Try
- K(D);S_FLIGHT
- Vars
- R(a);CHECK,OGATE::P(C),XR(a)
- R(a);OGATE,P_SPINR(a),XP(C)::QAB(A),XR(a)
- R(a);OGATE,XR(H)::QAB(A)+P(C)
- R(a);OGATE::QAB(A)+P(C)
- R(a);OGATE::QAB(A)+P(C),XR(a)
- P(c);N_GUARD::S(I),XR(a)
- P(e);OGATE::B(J)
- P(h);N_GUARD::S(I),XP(g)
- Refutation
- P(b);CHECK
- Try
- K(D);P-FLIGHT
- Vars
- R(a);OGATE,P_SPINR(a),XP(C)::QAB(A),XR(a)
- R(a);OGATE,XR(H)::QAB(A)+P(C)
- R(a);OGATE::QAB(A)+P(C)
- R(a);OGATE::QAB(A)+P(C),XR(a)
- R(a);OGATE::P(C),XR(a)
- P(c);N_GUARD::S(I),XR(a)
- P(e);OGATE::B(J)
- P(h);N_GUARD::S(I),XP(g)
- Refutation
- P(b);
- Try
- S(G);CHECK,XR(a)
- Vars
- K(d);P-FLIGHT,XP(E)::QAR2(A),XP(c)
- Refutation
- P(c);XS(G)
- Try
- B(J);XP(e)
- Threat
- B(J)
- Vars
- R(a);CHECK,OGATE,P_SPINR(a),XP(C)::QAB(A),XR(a)
- Refutation
- P(f);XB(J)
- Try
- B(J);P_PINP(f)
- Vars
- R(a);CHECK,OGATE,P_SPINR(a),XP(C)::QAB(A),XR(a)
- R(a);OGATE,XR(H)::QAB(A)+P(C)
- P(c);N_GUARD::S(I),XR(a)
- R(a);OGATE::QAB(A)+P(C)
- R(a);OGATE::QAB(A)+P(C),XR(a)
- R(a);OGATE::P(C),XR(a)
- P(h);N_GUARD::S(I),XP(g)
- Refutation
- P(e);
- Try
- B(J);
- Vars
- R(a);CHECK,OGATE,P_SPINR(a),XP(C)::QAB(A),XR(a)
- R(a);OGATE::QAB(A)+P(C)
- R(a);OGATE::QAB(A)+P(C),XR(a)
- R(a);OGATE::P(C),XR(a)
- P(c);N_GUARD::S(I),XR(a)
- P(h);N_GUARD::S(I),XP(g)
- Refutation
- P(e);
- Try
- B(J);
- Vars
- R(a);CHECK,OGATE,P_SPINR(a),XP(C)::QAB(A),XR(a)
- R(a);OGATE,XR(H)::QAB(A)+P(C)
- R(a);OGATE::QAB(A)+P(C)
- R(a);OGATE::QAB(A)+P(C),XR(a)
- R(a);OGATE::P(C),XR(a)
- P(c);N_GUARD::S(I),XR(a)
- P(h);N_GUARD::S(I),XP(g)
- Refutation
- P(e);
- Try
- R(B);
- Threat
- QAB(A)
- Vars
- R(a);CHECK,OGATE,P_SPINR(a),XP(C)::QAB(A),XR(a)
- P(e);OGATE::B(J)
- Refutation
- P(b);XR(B)
- Try
- R(B);
- Vars
- R(a);CHECK,OGATE,P_SPINR(a),XP(C)::QAB(A),XR(a)
- P(e);CHECK,OGATE,XR(B)::B(J),XP(e)
- R(a);OGATE,XR(H)::QAB(A)+P(C)
- P(c);N_GUARD::S(I),XR(a)
- R(a);OGATE::QAB(A)+P(C)
- R(a);OGATE::QAB(A)+P(C),XR(a)
- R(a);OGATE::P(C),XR(a)
- P(h);N_GUARD::S(I),XP(g)
- Refutation
- P(e);
- Try
- Actual
- R(B);
- Vars
- R(a);CHECK,OGATE,P_SPINR(a),XP(C)::QAB(A),XR(a)
- R(a);OGATE,XR(H)::QAB(A)+P(C)
- P(e);OGATE::B(J)
- R(a);OGATE::QAB(A)+P(C)
- R(a);OGATE::QAB(A)+P(C),XR(a)
- R(a);OGATE::P(C),XR(a)
- P(c);N_GUARD::S(G),XR(a)
- P(h);N_GUARD::S(G)
Developed and maintained by Brian Stephenson.
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