MESON Chess Problem Database

Problem Display
PID: 141529 (4b3/2p5/3PR2p/b1PN2kp/2QK2Pp/2pP3P/3r2N1/2B5 w - - 0 1)

Amirov, Talip Khasanovich

Vladimirov, Viacheslav Semenovich

Probleemblad, 1977

4b3/2p5/3PR2p/b1PN2kp/2QK2Pp/2pP3P/3r2N1/2B5

#2

11 + 9

SOLUTION

  • SOUND
  • Tries
    • 1.Ke5?
      • threat
        • 2.Qf4#
      • 1...hxg4
        • 2.Qxg4#
      • 1...cxd6+!
    • 1.Sgf4?
      • threat
        • 2.Re5#
      • 1...Rxd3+
        • 2.Sxd3#
      • 1...Re2
        • 2.Sxe2#
      • 1...Bg6
        • 2.Rxg6#
      • 1...Bd7
        • 2.Rg6#
      • 1...cxd6!
    • 1.Sxc3?
      • threat
        • 2.Se4#
        • 2.Bxd2#
        • 2.Qd5#
      • 1...hxg4
        • 2.Qd5#
      • 1...Bc6
        • 2.Bxd2#
      • 1...Bg6
        • 2.Bxd2#
      • 1...c6
        • 2.Se4#
        • 2.Bxd2#
      • 1...Bxc3+!
    • 1.Sdf4?
      • threat
        • 2.Qd5#
      • 1...Rxd3+
        • 2.Sxd3#
      • 1...Re2
        • 2.Sxe2#
      • 1...Bc6
        • 2.Rg6#
      • 1...Bg6
        • 2.Rxg6#
      • 1...c6!
    • 1.Se7?
      • threat
        • 2.Qd5#
      • 1...Bc6
        • 2.Rg6#
      • 1...Bg6
        • 2.Rxg6#
      • 1...c6!
  • Keys
    • 1.Ke3!
      • threat
        • 2.Qf4#
      • 1...Re2+
        • 2.Kxe2#
      • 1...Rxd3+
        • 2.Kxd3#
      • 1...hxg4
        • 2.Qxg4#
      • 1...Rf2
        • 2.Kxf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(F);N_SPINP(C),S_FLIGHT
      • Threat
        • QAB1(E)
      • Vars
        • P(f);OGATE,XP(G)::QAR1(E),XP(f)
      • Refutation
        • P(h);CHECK,XP(J)
    • Try
      • S(B);N_PINR(a)
      • Threat
        • R(K)
      • Vars
        • R(a);CHECK,XP(C)::B(A)+S(B),XR(a)
        • R(a);N_PINP(C)::B(A)+S(B),XR(a)
        • B(i);N_GUARD::R1(K),XB(i)
        • B(i);N_GUARD::R1(K)
      • Refutation
        • P(h);XP(J)
    • Try
      • S(I);XP(b)
      • Threat
        • DUALS(3)
      • Vars
        • P(f);XP(G)::QAR(E)
        • B(i);::B(A),XR(a)
      • Refutation
        • B(d);CHECK,XS(I)
    • Try
      • S(I);N_PINR(a)
      • Threat
        • QAR(E)
      • Vars
        • R(a);CHECK,XP(C)::B(A)+S(I),XR(a)
        • R(a);N_PINP(C)::B(A)+S(I),XR(a)
        • B(i);N_GUARD::R1(K)
        • B(i);N_GUARD::R1(K),XB(i)
      • Refutation
        • P(h);
    • Try
      • S(I);
      • Threat
        • QAR(E)
      • Vars
        • B(i);N_GUARD::R1(K)
        • B(i);N_GUARD::R1(K),XB(i)
      • Refutation
        • P(h);
  • Actual
    • K(F);N_PINR(a),N_SPINP(C),S_FLIGHT
    • Threat
      • QAB1(E)
    • Vars
      • R(a);CHECK::B(A)+K(F),XR(a)
      • R(a);CHECK,XP(C)::B(A)+K(F),XR(a)
      • P(f);OGATE,XP(G)::QAR1(E),XP(f)
      • R(a);::B(A)+K(F),XR(a)
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