MESON Chess Problem Database

Problem Display
PID: 104644 (8/3p4/1P1P4/3kP3/1RN5/KB1PB3/6r1/2R4Q w - - 0 1)

Velimirovic, Milan

Mat, 1979

8/3p4/1P1P4/3kP3/1RN5/KB1PB3/6r1/2R4Q

#2

11 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kc6
      • 2.Sa5#
      • 2.Qxg2#
  • Tries
    • 1.Ka4?
      • 1...Kc6
        • 2.Sa5#
        • 2.Qxg2#
      • 1...Ke6!
    • 1.Bd1?
      • 1...Kc6
        • 2.Bf3#
        • 2.Qxg2#
      • 1...Ke6!
    • 1.Ba2?
      • 1...Kc6
        • 2.Sa5#
        • 2.Qxg2#
      • 1...Ke6!
    • 1.Bc2?
      • 1...Kc6
        • 2.Qxg2#
      • 1...Ke6!
    • 1.Bg1?
      • 1...Kc6
        • 2.Sa5#
        • 2.Qxg2#
      • 1...Ke6!
    • 1.Bf2?
      • 1...Kc6
        • 2.Sa5#
        • 2.Qxg2#
      • 1...Ke6!
    • 1.Bd4?
      • threat
        • 2.Sb2#
        • 2.Sd2#
        • 2.Se3#
        • 2.Sa5#
      • 1...Kc6
        • 2.Sa5#
        • 2.Qxg2#
      • 1...Ke6
        • 2.Se3#
      • 1...Kxd4!
    • 1.Bc5?
      • 1...Kxc5
        • 2.Sd2#
      • 1...Kc6
        • 2.Sa5#
      • 1...Ke6!
    • 1.Ra1?
      • 1...Kc6
        • 2.Sa5#
        • 2.Qxg2#
      • 1...Ke6!
    • 1.Rb1?
      • 1...Kc6
        • 2.Sa5#
        • 2.Qxg2#
      • 1...Ke6!
    • 1.Rd1?
      • 1...Kc6
        • 2.Sa5#
        • 2.Qxg2#
      • 1...Ke6!
    • 1.Re1?
      • 1...Kc6
        • 2.Sa5#
        • 2.Qxg2#
      • 1...Ke6!
    • 1.Rf1?
      • 1...Kc6
        • 2.Sa5#
        • 2.Qxg2#
      • 1...Ke6!
    • 1.Rg1?
      • 1...Kc6
        • 2.Sa5#
        • 2.Qxg2#
      • 1...Ke6!
    • 1.Rc2?
      • 1...Kc6
        • 2.Sa5#
        • 2.Qxg2#
      • 1...Ke6!
    • 1.Rc3?
      • 1...Kc6
        • 2.Sa5#
        • 2.Qxg2#
      • 1...Ke6!
    • 1.e6?
      • 1...Kc6
        • 2.Qxg2#
      • 1...dxe6
        • 2.Qxg2#
      • 1...Kxe6!
    • 1.b7?
      • 1...Kc6
        • 2.Sb2#
        • 2.Sd2#
        • 2.Sa5#
        • 2.Qxg2#
      • 1...Ke6!
  • Keys
    • 1.Bf4!
      • threat
        • 2.Sb2#
        • 2.Sd2#
        • 2.Se3#
        • 2.Sa5#
      • 1...Kd4
        • 2.Sb2#
      • 1...Kc5
        • 2.Sd2#
      • 1...Kc6
        • 2.Sa5#
      • 1...Ke6
        • 2.Se3#

There are these versions: 145022

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • B(D);
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • B(D);
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • B(D);
      • Vars
        • K(b);S_FLIGHT::QAB(B),XR(a)
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • B(F);
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • B(F);
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • B(F);
      • Threat
        • DUALS(4)
      • Vars
        • K(b);N_SPINR(a),S_FLIGHT::B(D)+S(H)
      • Refutation
        • K(b);N_SPINR(a),P-FLIGHT,XB(F)
    • Try
      • B(F);
      • Vars
        • K(b);N_SPINR(a),P-FLIGHT,XB(F)::R(A)+S(H)
        • K(b);S_FLIGHT::S(H)
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • R(A);
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • R(A);
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • R(A);
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • R(A);
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • R(A);
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • R(A);
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • R(A);
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • R(A);
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • P(I);
      • Vars
        • K(b);S_FLIGHT::QAB(B),XR(a)
        • P(c);SBLOCK,XP(I)::QAB(B),XR(a)
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT,XP(I)
    • Try
      • P(J);
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
  • Actual
    • B(F);
    • Threat
      • DUALS(4)
    • Vars
      • K(b);N_SPINR(a),P-FLIGHT::R(G)+S(H)
      • K(b);N_SPINR(a),P-FLIGHT::R(A)+S(H)
      • K(b);S_FLIGHT::R(A)+S(H),DCHECK
      • K(b);N_SPINR(a),S_FLIGHT::B(D)+S(H)
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